18521770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1373}}^1$

素因数の和:1470

約数の個数: 32

約数和(自身を含む): 35614080

約数和(自身を除く): 17092310

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 1373, 2698, 2746, 6745, 6865, 13490, 13730, 26087, 52174, 97483, 130435, 194966, 260870, 487415, 974830, 1852177, 3704354, 9260885, 18521770]

約数ペア:

[(1, 18521770), (2, 9260885), (5, 3704354), (10, 1852177), (19, 974830), (38, 487415), (71, 260870), (95, 194966), (142, 130435), (190, 97483), (355, 52174), (710, 26087), (1349, 13730), (1373, 13490), (2698, 6865), (2746, 6745)]