18440208

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{3461}}^1$

素因数の和:3512

約数の個数: 60

約数和(自身を含む): 53017068

約数和(自身を除く): 34576860

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 3461, 5328, 6922, 10383, 13844, 20766, 27688, 31149, 41532, 55376, 62298, 83064, 124596, 128057, 166128, 249192, 256114, 384171, 498384, 512228, 768342, 1024456, 1152513, 1536684, 2048912, 2305026, 3073368, 4610052, 6146736, 9220104, 18440208]

約数ペア:

[(1, 18440208), (2, 9220104), (3, 6146736), (4, 4610052), (6, 3073368), (8, 2305026), (9, 2048912), (12, 1536684), (16, 1152513), (18, 1024456), (24, 768342), (36, 512228), (37, 498384), (48, 384171), (72, 256114), (74, 249192), (111, 166128), (144, 128057), (148, 124596), (222, 83064), (296, 62298), (333, 55376), (444, 41532), (592, 31149), (666, 27688), (888, 20766), (1332, 13844), (1776, 10383), (2664, 6922), (3461, 5328)]