13900438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:292

約数の個数: 32

約数和(自身を含む): 23063040

約数和(自身を除く): 9162602

約数列:

[1, 2, 19, 38, 43, 47, 86, 94, 181, 362, 817, 893, 1634, 1786, 2021, 3439, 4042, 6878, 7783, 8507, 15566, 17014, 38399, 76798, 147877, 161633, 295754, 323266, 365801, 731602, 6950219, 13900438]

約数ペア:

[(1, 13900438), (2, 6950219), (19, 731602), (38, 365801), (43, 323266), (47, 295754), (86, 161633), (94, 147877), (181, 76798), (362, 38399), (817, 17014), (893, 15566), (1634, 8507), (1786, 7783), (2021, 6878), (3439, 4042)]