18746426

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 31363200

約数和(自身を除く): 12616774

約数列:

[1, 2, 19, 23, 38, 46, 89, 178, 241, 437, 482, 874, 1691, 2047, 3382, 4094, 4579, 5543, 9158, 11086, 21449, 38893, 42898, 77786, 105317, 210634, 407531, 493327, 815062, 986654, 9373213, 18746426]

約数ペア:

[(1, 18746426), (2, 9373213), (19, 986654), (23, 815062), (38, 493327), (46, 407531), (89, 210634), (178, 105317), (241, 77786), (437, 42898), (482, 38893), (874, 21449), (1691, 11086), (2047, 9158), (3382, 5543), (4094, 4579)]