18497892

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 50778336

約数和(自身を除く): 32280444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 163, 193, 196, 294, 326, 386, 489, 579, 588, 652, 772, 978, 1141, 1158, 1351, 1956, 2282, 2316, 2702, 3423, 4053, 4564, 5404, 6846, 7987, 8106, 9457, 13692, 15974, 16212, 18914, 23961, 28371, 31459, 31948, 37828, 47922, 56742, 62918, 94377, 95844, 113484, 125836, 188754, 220213, 377508, 440426, 660639, 880852, 1321278, 1541491, 2642556, 3082982, 4624473, 6165964, 9248946, 18497892]

約数ペア:

[(1, 18497892), (2, 9248946), (3, 6165964), (4, 4624473), (6, 3082982), (7, 2642556), (12, 1541491), (14, 1321278), (21, 880852), (28, 660639), (42, 440426), (49, 377508), (84, 220213), (98, 188754), (147, 125836), (163, 113484), (193, 95844), (196, 94377), (294, 62918), (326, 56742), (386, 47922), (489, 37828), (579, 31948), (588, 31459), (652, 28371), (772, 23961), (978, 18914), (1141, 16212), (1158, 15974), (1351, 13692), (1956, 9457), (2282, 8106), (2316, 7987), (2702, 6846), (3423, 5404), (4053, 4564)]