12789470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{811}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 24554880

約数和(自身を除く): 11765410

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 811, 830, 1577, 1622, 3154, 4055, 7885, 8110, 15409, 15770, 30818, 67313, 77045, 134626, 154090, 336565, 673130, 1278947, 2557894, 6394735, 12789470]

約数ペア:

[(1, 12789470), (2, 6394735), (5, 2557894), (10, 1278947), (19, 673130), (38, 336565), (83, 154090), (95, 134626), (166, 77045), (190, 67313), (415, 30818), (811, 15770), (830, 15409), (1577, 8110), (1622, 7885), (3154, 4055)]