16891890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{24481}}^1$

素因数の和:24514

約数の個数: 32

約数和(自身を含む): 42304896

約数和(自身を除く): 25413006

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 24481, 48962, 73443, 122405, 146886, 244810, 367215, 563063, 734430, 1126126, 1689189, 2815315, 3378378, 5630630, 8445945, 16891890]

約数ペア:

[(1, 16891890), (2, 8445945), (3, 5630630), (5, 3378378), (6, 2815315), (10, 1689189), (15, 1126126), (23, 734430), (30, 563063), (46, 367215), (69, 244810), (115, 146886), (138, 122405), (230, 73443), (345, 48962), (690, 24481)]