19665840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1223}}^1$

素因数の和:1306

約数の個数: 80

約数和(自身を含む): 61924608

約数和(自身を除く): 42258768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 67, 80, 120, 134, 201, 240, 268, 335, 402, 536, 670, 804, 1005, 1072, 1223, 1340, 1608, 2010, 2446, 2680, 3216, 3669, 4020, 4892, 5360, 6115, 7338, 8040, 9784, 12230, 14676, 16080, 18345, 19568, 24460, 29352, 36690, 48920, 58704, 73380, 81941, 97840, 146760, 163882, 245823, 293520, 327764, 409705, 491646, 655528, 819410, 983292, 1229115, 1311056, 1638820, 1966584, 2458230, 3277640, 3933168, 4916460, 6555280, 9832920, 19665840]

約数ペア:

[(1, 19665840), (2, 9832920), (3, 6555280), (4, 4916460), (5, 3933168), (6, 3277640), (8, 2458230), (10, 1966584), (12, 1638820), (15, 1311056), (16, 1229115), (20, 983292), (24, 819410), (30, 655528), (40, 491646), (48, 409705), (60, 327764), (67, 293520), (80, 245823), (120, 163882), (134, 146760), (201, 97840), (240, 81941), (268, 73380), (335, 58704), (402, 48920), (536, 36690), (670, 29352), (804, 24460), (1005, 19568), (1072, 18345), (1223, 16080), (1340, 14676), (1608, 12230), (2010, 9784), (2446, 8040), (2680, 7338), (3216, 6115), (3669, 5360), (4020, 4892)]