19880970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28813}}^1$

素因数の和:28846

約数の個数: 32

約数和(自身を含む): 49790592

約数和(自身を除く): 29909622

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 28813, 57626, 86439, 144065, 172878, 288130, 432195, 662699, 864390, 1325398, 1988097, 3313495, 3976194, 6626990, 9940485, 19880970]

約数ペア:

[(1, 19880970), (2, 9940485), (3, 6626990), (5, 3976194), (6, 3313495), (10, 1988097), (15, 1325398), (23, 864390), (30, 662699), (46, 432195), (69, 288130), (115, 172878), (138, 144065), (230, 86439), (345, 57626), (690, 28813)]