18709542

素因数分解:

$2^1\times 3^5\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 42496272

約数和(自身を除く): 23786730

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 137, 162, 243, 274, 281, 411, 486, 562, 822, 843, 1233, 1686, 2466, 2529, 3699, 5058, 7398, 7587, 11097, 15174, 22194, 22761, 33291, 38497, 45522, 66582, 68283, 76994, 115491, 136566, 230982, 346473, 692946, 1039419, 2078838, 3118257, 6236514, 9354771, 18709542]

約数ペア:

[(1, 18709542), (2, 9354771), (3, 6236514), (6, 3118257), (9, 2078838), (18, 1039419), (27, 692946), (54, 346473), (81, 230982), (137, 136566), (162, 115491), (243, 76994), (274, 68283), (281, 66582), (411, 45522), (486, 38497), (562, 33291), (822, 22761), (843, 22194), (1233, 15174), (1686, 11097), (2466, 7587), (2529, 7398), (3699, 5058)]