31164218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 20727622

約数列:

[1, 2, 19, 23, 38, 46, 181, 197, 362, 394, 437, 874, 3439, 3743, 4163, 4531, 6878, 7486, 8326, 9062, 35657, 71314, 79097, 86089, 158194, 172178, 677483, 820111, 1354966, 1640222, 15582109, 31164218]

約数ペア:

[(1, 31164218), (2, 15582109), (19, 1640222), (23, 1354966), (38, 820111), (46, 677483), (181, 172178), (197, 158194), (362, 86089), (394, 79097), (437, 71314), (874, 35657), (3439, 9062), (3743, 8326), (4163, 7486), (4531, 6878)]