19119890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{977}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 36616320

約数和(自身を除く): 17496430

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 190, 206, 515, 977, 1030, 1954, 1957, 3914, 4885, 9770, 9785, 18563, 19570, 37126, 92815, 100631, 185630, 201262, 503155, 1006310, 1911989, 3823978, 9559945, 19119890]

約数ペア:

[(1, 19119890), (2, 9559945), (5, 3823978), (10, 1911989), (19, 1006310), (38, 503155), (95, 201262), (103, 185630), (190, 100631), (206, 92815), (515, 37126), (977, 19570), (1030, 18563), (1954, 9785), (1957, 9770), (3914, 4885)]