19853428010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{392593}}^1$

素因数の和:393002

約数の個数: 32

約数和(自身を含む): 38584138320

約数和(自身を除く): 18730710310

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 389, 778, 1945, 3890, 5057, 10114, 25285, 50570, 392593, 785186, 1962965, 3925930, 5103709, 10207418, 25518545, 51037090, 152718677, 305437354, 763593385, 1527186770, 1985342801, 3970685602, 9926714005, 19853428010]

約数ペア:

[(1, 19853428010), (2, 9926714005), (5, 3970685602), (10, 1985342801), (13, 1527186770), (26, 763593385), (65, 305437354), (130, 152718677), (389, 51037090), (778, 25518545), (1945, 10207418), (3890, 5103709), (5057, 3925930), (10114, 1962965), (25285, 785186), (50570, 392593)]