19691880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{971}}^1$

素因数の和:1011

約数の個数: 96

約数和(自身を含む): 64035360

約数和(自身を除く): 44343480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 971, 1014, 1352, 1560, 1690, 1942, 2028, 2535, 2913, 3380, 3884, 4056, 4855, 5070, 5826, 6760, 7768, 9710, 10140, 11652, 12623, 14565, 19420, 20280, 23304, 25246, 29130, 37869, 38840, 50492, 58260, 63115, 75738, 100984, 116520, 126230, 151476, 164099, 189345, 252460, 302952, 328198, 378690, 492297, 504920, 656396, 757380, 820495, 984594, 1312792, 1514760, 1640990, 1969188, 2461485, 3281980, 3938376, 4922970, 6563960, 9845940, 19691880]

約数ペア:

[(1, 19691880), (2, 9845940), (3, 6563960), (4, 4922970), (5, 3938376), (6, 3281980), (8, 2461485), (10, 1969188), (12, 1640990), (13, 1514760), (15, 1312792), (20, 984594), (24, 820495), (26, 757380), (30, 656396), (39, 504920), (40, 492297), (52, 378690), (60, 328198), (65, 302952), (78, 252460), (104, 189345), (120, 164099), (130, 151476), (156, 126230), (169, 116520), (195, 100984), (260, 75738), (312, 63115), (338, 58260), (390, 50492), (507, 38840), (520, 37869), (676, 29130), (780, 25246), (845, 23304), (971, 20280), (1014, 19420), (1352, 14565), (1560, 12623), (1690, 11652), (1942, 10140), (2028, 9710), (2535, 7768), (2913, 6760), (3380, 5826), (3884, 5070), (4056, 4855)]