19139640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12269}}^1$

素因数の和:12296

約数の個数: 64

約数和(自身を含む): 61840800

約数和(自身を除く): 42701160

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, 195, 260, 312, 390, 520, 780, 1560, 12269, 24538, 36807, 49076, 61345, 73614, 98152, 122690, 147228, 159497, 184035, 245380, 294456, 318994, 368070, 478491, 490760, 637988, 736140, 797485, 956982, 1275976, 1472280, 1594970, 1913964, 2392455, 3189940, 3827928, 4784910, 6379880, 9569820, 19139640]

約数ペア:

[(1, 19139640), (2, 9569820), (3, 6379880), (4, 4784910), (5, 3827928), (6, 3189940), (8, 2392455), (10, 1913964), (12, 1594970), (13, 1472280), (15, 1275976), (20, 956982), (24, 797485), (26, 736140), (30, 637988), (39, 490760), (40, 478491), (52, 368070), (60, 318994), (65, 294456), (78, 245380), (104, 184035), (120, 159497), (130, 147228), (156, 122690), (195, 98152), (260, 73614), (312, 61345), (390, 49076), (520, 36807), (780, 24538), (1560, 12269)]