19901670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28843}}^1$

素因数の和:28876

約数の個数: 32

約数和(自身を含む): 49842432

約数和(自身を除く): 29940762

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 28843, 57686, 86529, 144215, 173058, 288430, 432645, 663389, 865290, 1326778, 1990167, 3316945, 3980334, 6633890, 9950835, 19901670]

約数ペア:

[(1, 19901670), (2, 9950835), (3, 6633890), (5, 3980334), (6, 3316945), (10, 1990167), (15, 1326778), (23, 865290), (30, 663389), (46, 432645), (69, 288430), (115, 173058), (138, 144215), (230, 86529), (345, 57686), (690, 28843)]