19193200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3691}}^1$

素因数の和:3722

約数の個数: 60

約数和(自身を含む): 49672168

約数和(自身を除く): 30478968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 3691, 5200, 7382, 14764, 18455, 29528, 36910, 47983, 59056, 73820, 92275, 95966, 147640, 184550, 191932, 239915, 295280, 369100, 383864, 479830, 738200, 767728, 959660, 1199575, 1476400, 1919320, 2399150, 3838640, 4798300, 9596600, 19193200]

約数ペア:

[(1, 19193200), (2, 9596600), (4, 4798300), (5, 3838640), (8, 2399150), (10, 1919320), (13, 1476400), (16, 1199575), (20, 959660), (25, 767728), (26, 738200), (40, 479830), (50, 383864), (52, 369100), (65, 295280), (80, 239915), (100, 191932), (104, 184550), (130, 147640), (200, 95966), (208, 92275), (260, 73820), (325, 59056), (400, 47983), (520, 36910), (650, 29528), (1040, 18455), (1300, 14764), (2600, 7382), (3691, 5200)]