18569740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 47738880

約数和(自身を除く): 29169140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 73, 79, 92, 115, 140, 146, 158, 161, 230, 292, 316, 322, 365, 395, 460, 511, 553, 644, 730, 790, 805, 1022, 1106, 1460, 1580, 1610, 1679, 1817, 2044, 2212, 2555, 2765, 3220, 3358, 3634, 5110, 5530, 5767, 6716, 7268, 8395, 9085, 10220, 11060, 11534, 11753, 12719, 16790, 18170, 23068, 23506, 25438, 28835, 33580, 36340, 40369, 47012, 50876, 57670, 58765, 63595, 80738, 115340, 117530, 127190, 132641, 161476, 201845, 235060, 254380, 265282, 403690, 530564, 663205, 807380, 928487, 1326410, 1856974, 2652820, 3713948, 4642435, 9284870, 18569740]

約数ペア:

[(1, 18569740), (2, 9284870), (4, 4642435), (5, 3713948), (7, 2652820), (10, 1856974), (14, 1326410), (20, 928487), (23, 807380), (28, 663205), (35, 530564), (46, 403690), (70, 265282), (73, 254380), (79, 235060), (92, 201845), (115, 161476), (140, 132641), (146, 127190), (158, 117530), (161, 115340), (230, 80738), (292, 63595), (316, 58765), (322, 57670), (365, 50876), (395, 47012), (460, 40369), (511, 36340), (553, 33580), (644, 28835), (730, 25438), (790, 23506), (805, 23068), (1022, 18170), (1106, 16790), (1460, 12719), (1580, 11753), (1610, 11534), (1679, 11060), (1817, 10220), (2044, 9085), (2212, 8395), (2555, 7268), (2765, 6716), (3220, 5767), (3358, 5530), (3634, 5110)]