18730880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:176

約数の個数: 128

約数和(自身を含む): 53023680

約数和(自身を除く): 34292800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 113, 128, 140, 148, 160, 185, 224, 226, 259, 280, 296, 320, 370, 448, 452, 518, 560, 565, 592, 640, 740, 791, 896, 904, 1036, 1120, 1130, 1184, 1295, 1480, 1582, 1808, 2072, 2240, 2260, 2368, 2590, 2960, 3164, 3616, 3955, 4144, 4181, 4480, 4520, 4736, 5180, 5920, 6328, 7232, 7910, 8288, 8362, 9040, 10360, 11840, 12656, 14464, 15820, 16576, 16724, 18080, 20720, 20905, 23680, 25312, 29267, 31640, 33152, 33448, 36160, 41440, 41810, 50624, 58534, 63280, 66896, 72320, 82880, 83620, 101248, 117068, 126560, 133792, 146335, 165760, 167240, 234136, 253120, 267584, 292670, 334480, 468272, 506240, 535168, 585340, 668960, 936544, 1170680, 1337920, 1873088, 2341360, 2675840, 3746176, 4682720, 9365440, 18730880]

約数ペア:

[(1, 18730880), (2, 9365440), (4, 4682720), (5, 3746176), (7, 2675840), (8, 2341360), (10, 1873088), (14, 1337920), (16, 1170680), (20, 936544), (28, 668960), (32, 585340), (35, 535168), (37, 506240), (40, 468272), (56, 334480), (64, 292670), (70, 267584), (74, 253120), (80, 234136), (112, 167240), (113, 165760), (128, 146335), (140, 133792), (148, 126560), (160, 117068), (185, 101248), (224, 83620), (226, 82880), (259, 72320), (280, 66896), (296, 63280), (320, 58534), (370, 50624), (448, 41810), (452, 41440), (518, 36160), (560, 33448), (565, 33152), (592, 31640), (640, 29267), (740, 25312), (791, 23680), (896, 20905), (904, 20720), (1036, 18080), (1120, 16724), (1130, 16576), (1184, 15820), (1295, 14464), (1480, 12656), (1582, 11840), (1808, 10360), (2072, 9040), (2240, 8362), (2260, 8288), (2368, 7910), (2590, 7232), (2960, 6328), (3164, 5920), (3616, 5180), (3955, 4736), (4144, 4520), (4181, 4480)]