19151320180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{181943}}^1$

素因数の和:182248

約数の個数: 48

約数和(自身を含む): 42487562880

約数和(自身を除く): 23336242700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 277, 380, 554, 1108, 1385, 2770, 5263, 5540, 10526, 21052, 26315, 52630, 105260, 181943, 363886, 727772, 909715, 1819430, 3456917, 3638860, 6913834, 13827668, 17284585, 34569170, 50398211, 69138340, 100796422, 201592844, 251991055, 503982110, 957566009, 1007964220, 1915132018, 3830264036, 4787830045, 9575660090, 19151320180]

約数ペア:

[(1, 19151320180), (2, 9575660090), (4, 4787830045), (5, 3830264036), (10, 1915132018), (19, 1007964220), (20, 957566009), (38, 503982110), (76, 251991055), (95, 201592844), (190, 100796422), (277, 69138340), (380, 50398211), (554, 34569170), (1108, 17284585), (1385, 13827668), (2770, 6913834), (5263, 3638860), (5540, 3456917), (10526, 1819430), (21052, 909715), (26315, 727772), (52630, 363886), (105260, 181943)]