19478640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{293}}^1$

素因数の和:586

約数の個数: 80

約数和(自身を含む): 60808608

約数和(自身を除く): 41329968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 277, 293, 554, 586, 831, 879, 1108, 1172, 1385, 1465, 1662, 1758, 2216, 2344, 2770, 2930, 3324, 3516, 4155, 4395, 4432, 4688, 5540, 5860, 6648, 7032, 8310, 8790, 11080, 11720, 13296, 14064, 16620, 17580, 22160, 23440, 33240, 35160, 66480, 70320, 81161, 162322, 243483, 324644, 405805, 486966, 649288, 811610, 973932, 1217415, 1298576, 1623220, 1947864, 2434830, 3246440, 3895728, 4869660, 6492880, 9739320, 19478640]

約数ペア:

[(1, 19478640), (2, 9739320), (3, 6492880), (4, 4869660), (5, 3895728), (6, 3246440), (8, 2434830), (10, 1947864), (12, 1623220), (15, 1298576), (16, 1217415), (20, 973932), (24, 811610), (30, 649288), (40, 486966), (48, 405805), (60, 324644), (80, 243483), (120, 162322), (240, 81161), (277, 70320), (293, 66480), (554, 35160), (586, 33240), (831, 23440), (879, 22160), (1108, 17580), (1172, 16620), (1385, 14064), (1465, 13296), (1662, 11720), (1758, 11080), (2216, 8790), (2344, 8310), (2770, 7032), (2930, 6648), (3324, 5860), (3516, 5540), (4155, 4688), (4395, 4432)]