1881569012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{2221}}^1$

素因数の和:2472

約数の個数: 48

約数和(自身を含む): 3538846080

約数和(自身を除く): 1657277068

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 157, 284, 314, 628, 1349, 2221, 2698, 2983, 4442, 5396, 5966, 8884, 11147, 11932, 22294, 42199, 44588, 84398, 157691, 168796, 211793, 315382, 348697, 423586, 630764, 697394, 847172, 1394788, 2996129, 5992258, 6625243, 11984516, 13250486, 24757487, 26500972, 49514974, 99029948, 470392253, 940784506, 1881569012]

約数ペア:

[(1, 1881569012), (2, 940784506), (4, 470392253), (19, 99029948), (38, 49514974), (71, 26500972), (76, 24757487), (142, 13250486), (157, 11984516), (284, 6625243), (314, 5992258), (628, 2996129), (1349, 1394788), (2221, 847172), (2698, 697394), (2983, 630764), (4442, 423586), (5396, 348697), (5966, 315382), (8884, 211793), (11147, 168796), (11932, 157691), (22294, 84398), (42199, 44588)]