19974257002

素因数分解:

$2^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{563}}^1\times {\mathrm{2221}}^1$

素因数の和:2963

約数の個数: 48

約数和(自身を含む): 35144965152

約数和(自身を除く): 15170708150

約数列:

[1, 2, 7, 14, 49, 98, 163, 326, 563, 1126, 1141, 2221, 2282, 3941, 4442, 7882, 7987, 15547, 15974, 27587, 31094, 55174, 91769, 108829, 183538, 217658, 362023, 642383, 724046, 1250423, 1284766, 2500846, 2534161, 4496681, 5068322, 8752961, 8993362, 17505922, 17739127, 35478254, 61270727, 122541454, 203818949, 407637898, 1426732643, 2853465286, 9987128501, 19974257002]

約数ペア:

[(1, 19974257002), (2, 9987128501), (7, 2853465286), (14, 1426732643), (49, 407637898), (98, 203818949), (163, 122541454), (326, 61270727), (563, 35478254), (1126, 17739127), (1141, 17505922), (2221, 8993362), (2282, 8752961), (3941, 5068322), (4442, 4496681), (7882, 2534161), (7987, 2500846), (15547, 1284766), (15974, 1250423), (27587, 724046), (31094, 642383), (55174, 362023), (91769, 217658), (108829, 183538)]