19115460

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:427

約数の個数: 192

約数和(自身を含む): 73382400

約数和(自身を除く): 54266940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 389, 390, 420, 455, 468, 540, 546, 585, 630, 702, 756, 778, 780, 819, 910, 945, 1092, 1167, 1170, 1260, 1365, 1404, 1556, 1638, 1755, 1820, 1890, 1945, 2334, 2340, 2457, 2723, 2730, 3276, 3501, 3510, 3780, 3890, 4095, 4668, 4914, 5057, 5446, 5460, 5835, 7002, 7020, 7780, 8169, 8190, 9828, 10114, 10503, 10892, 11670, 12285, 13615, 14004, 15171, 16338, 16380, 17505, 20228, 21006, 23340, 24507, 24570, 25285, 27230, 30342, 32676, 35010, 35399, 40845, 42012, 45513, 49014, 49140, 50570, 52515, 54460, 60684, 70020, 70798, 73521, 75855, 81690, 91026, 98028, 101140, 105030, 106197, 122535, 136539, 141596, 147042, 151710, 163380, 176995, 182052, 210060, 212394, 227565, 245070, 273078, 294084, 303420, 318591, 353990, 367605, 424788, 455130, 490140, 530985, 546156, 637182, 682695, 707980, 735210, 910260, 955773, 1061970, 1274364, 1365390, 1470420, 1592955, 1911546, 2123940, 2730780, 3185910, 3823092, 4778865, 6371820, 9557730, 19115460]

約数ペア:

[(1, 19115460), (2, 9557730), (3, 6371820), (4, 4778865), (5, 3823092), (6, 3185910), (7, 2730780), (9, 2123940), (10, 1911546), (12, 1592955), (13, 1470420), (14, 1365390), (15, 1274364), (18, 1061970), (20, 955773), (21, 910260), (26, 735210), (27, 707980), (28, 682695), (30, 637182), (35, 546156), (36, 530985), (39, 490140), (42, 455130), (45, 424788), (52, 367605), (54, 353990), (60, 318591), (63, 303420), (65, 294084), (70, 273078), (78, 245070), (84, 227565), (90, 212394), (91, 210060), (105, 182052), (108, 176995), (117, 163380), (126, 151710), (130, 147042), (135, 141596), (140, 136539), (156, 122535), (180, 106197), (182, 105030), (189, 101140), (195, 98028), (210, 91026), (234, 81690), (252, 75855), (260, 73521), (270, 70798), (273, 70020), (315, 60684), (351, 54460), (364, 52515), (378, 50570), (389, 49140), (390, 49014), (420, 45513), (455, 42012), (468, 40845), (540, 35399), (546, 35010), (585, 32676), (630, 30342), (702, 27230), (756, 25285), (778, 24570), (780, 24507), (819, 23340), (910, 21006), (945, 20228), (1092, 17505), (1167, 16380), (1170, 16338), (1260, 15171), (1365, 14004), (1404, 13615), (1556, 12285), (1638, 11670), (1755, 10892), (1820, 10503), (1890, 10114), (1945, 9828), (2334, 8190), (2340, 8169), (2457, 7780), (2723, 7020), (2730, 7002), (3276, 5835), (3501, 5460), (3510, 5446), (3780, 5057), (3890, 4914), (4095, 4668)]