18128208

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 54012416

約数和(自身を除く): 35884208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 163, 168, 326, 331, 336, 489, 652, 662, 978, 993, 1141, 1304, 1324, 1956, 1986, 2282, 2317, 2608, 2648, 3423, 3912, 3972, 4564, 4634, 5296, 6846, 6951, 7824, 7944, 9128, 9268, 13692, 13902, 15888, 18256, 18536, 27384, 27804, 37072, 53953, 54768, 55608, 107906, 111216, 161859, 215812, 323718, 377671, 431624, 647436, 755342, 863248, 1133013, 1294872, 1510684, 2266026, 2589744, 3021368, 4532052, 6042736, 9064104, 18128208]

約数ペア:

[(1, 18128208), (2, 9064104), (3, 6042736), (4, 4532052), (6, 3021368), (7, 2589744), (8, 2266026), (12, 1510684), (14, 1294872), (16, 1133013), (21, 863248), (24, 755342), (28, 647436), (42, 431624), (48, 377671), (56, 323718), (84, 215812), (112, 161859), (163, 111216), (168, 107906), (326, 55608), (331, 54768), (336, 53953), (489, 37072), (652, 27804), (662, 27384), (978, 18536), (993, 18256), (1141, 15888), (1304, 13902), (1324, 13692), (1956, 9268), (1986, 9128), (2282, 7944), (2317, 7824), (2608, 6951), (2648, 6846), (3423, 5296), (3912, 4634), (3972, 4564)]