19286280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{317}}^1$

素因数の和:360

約数の個数: 144

約数和(自身を含む): 68086980

約数和(自身を除く): 48800700

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 169, 180, 195, 234, 260, 312, 317, 338, 360, 390, 468, 507, 520, 585, 634, 676, 780, 845, 936, 951, 1014, 1170, 1268, 1352, 1521, 1560, 1585, 1690, 1902, 2028, 2340, 2535, 2536, 2853, 3042, 3170, 3380, 3804, 4056, 4121, 4680, 4755, 5070, 5706, 6084, 6340, 6760, 7605, 7608, 8242, 9510, 10140, 11412, 12168, 12363, 12680, 14265, 15210, 16484, 19020, 20280, 20605, 22824, 24726, 28530, 30420, 32968, 37089, 38040, 41210, 49452, 53573, 57060, 60840, 61815, 74178, 82420, 98904, 107146, 114120, 123630, 148356, 160719, 164840, 185445, 214292, 247260, 267865, 296712, 321438, 370890, 428584, 482157, 494520, 535730, 642876, 741780, 803595, 964314, 1071460, 1285752, 1483560, 1607190, 1928628, 2142920, 2410785, 3214380, 3857256, 4821570, 6428760, 9643140, 19286280]

約数ペア:

[(1, 19286280), (2, 9643140), (3, 6428760), (4, 4821570), (5, 3857256), (6, 3214380), (8, 2410785), (9, 2142920), (10, 1928628), (12, 1607190), (13, 1483560), (15, 1285752), (18, 1071460), (20, 964314), (24, 803595), (26, 741780), (30, 642876), (36, 535730), (39, 494520), (40, 482157), (45, 428584), (52, 370890), (60, 321438), (65, 296712), (72, 267865), (78, 247260), (90, 214292), (104, 185445), (117, 164840), (120, 160719), (130, 148356), (156, 123630), (169, 114120), (180, 107146), (195, 98904), (234, 82420), (260, 74178), (312, 61815), (317, 60840), (338, 57060), (360, 53573), (390, 49452), (468, 41210), (507, 38040), (520, 37089), (585, 32968), (634, 30420), (676, 28530), (780, 24726), (845, 22824), (936, 20605), (951, 20280), (1014, 19020), (1170, 16484), (1268, 15210), (1352, 14265), (1521, 12680), (1560, 12363), (1585, 12168), (1690, 11412), (1902, 10140), (2028, 9510), (2340, 8242), (2535, 7608), (2536, 7605), (2853, 6760), (3042, 6340), (3170, 6084), (3380, 5706), (3804, 5070), (4056, 4755), (4121, 4680)]