19866430

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{983}}^1$

素因数の和:1080

約数の個数: 32

約数和(自身を含む): 37407744

約数和(自身を除く): 17541314

約数列:

[1, 2, 5, 10, 43, 47, 86, 94, 215, 235, 430, 470, 983, 1966, 2021, 4042, 4915, 9830, 10105, 20210, 42269, 46201, 84538, 92402, 211345, 231005, 422690, 462010, 1986643, 3973286, 9933215, 19866430]

約数ペア:

[(1, 19866430), (2, 9933215), (5, 3973286), (10, 1986643), (43, 462010), (47, 422690), (86, 231005), (94, 211345), (215, 92402), (235, 84538), (430, 46201), (470, 42269), (983, 20210), (1966, 10105), (2021, 9830), (4042, 4915)]