18436460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 48384000

約数和(自身を除く): 29947540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 29, 35, 38, 58, 70, 76, 95, 116, 133, 140, 145, 190, 203, 239, 266, 290, 380, 406, 478, 532, 551, 580, 665, 812, 956, 1015, 1102, 1195, 1330, 1673, 2030, 2204, 2390, 2660, 2755, 3346, 3857, 4060, 4541, 4780, 5510, 6692, 6931, 7714, 8365, 9082, 11020, 13862, 15428, 16730, 18164, 19285, 22705, 27724, 31787, 33460, 34655, 38570, 45410, 48517, 63574, 69310, 77140, 90820, 97034, 127148, 131689, 138620, 158935, 194068, 242585, 263378, 317870, 485170, 526756, 635740, 658445, 921823, 970340, 1316890, 1843646, 2633780, 3687292, 4609115, 9218230, 18436460]

約数ペア:

[(1, 18436460), (2, 9218230), (4, 4609115), (5, 3687292), (7, 2633780), (10, 1843646), (14, 1316890), (19, 970340), (20, 921823), (28, 658445), (29, 635740), (35, 526756), (38, 485170), (58, 317870), (70, 263378), (76, 242585), (95, 194068), (116, 158935), (133, 138620), (140, 131689), (145, 127148), (190, 97034), (203, 90820), (239, 77140), (266, 69310), (290, 63574), (380, 48517), (406, 45410), (478, 38570), (532, 34655), (551, 33460), (580, 31787), (665, 27724), (812, 22705), (956, 19285), (1015, 18164), (1102, 16730), (1195, 15428), (1330, 13862), (1673, 11020), (2030, 9082), (2204, 8365), (2390, 7714), (2660, 6931), (2755, 6692), (3346, 5510), (3857, 4780), (4060, 4541)]