18622432

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 39085200

約数和(自身を除く): 20462768

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 109, 152, 218, 281, 304, 436, 562, 608, 872, 1124, 1744, 2071, 2248, 3488, 4142, 4496, 5339, 8284, 8992, 10678, 16568, 21356, 30629, 33136, 42712, 61258, 66272, 85424, 122516, 170848, 245032, 490064, 581951, 980128, 1163902, 2327804, 4655608, 9311216, 18622432]

約数ペア:

[(1, 18622432), (2, 9311216), (4, 4655608), (8, 2327804), (16, 1163902), (19, 980128), (32, 581951), (38, 490064), (76, 245032), (109, 170848), (152, 122516), (218, 85424), (281, 66272), (304, 61258), (436, 42712), (562, 33136), (608, 30629), (872, 21356), (1124, 16568), (1744, 10678), (2071, 8992), (2248, 8284), (3488, 5339), (4142, 4496)]