19734320

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:222

約数の個数: 80

約数和(自身を含む): 48345120

約数和(自身を除く): 28610800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 59, 74, 80, 113, 118, 148, 185, 226, 236, 295, 296, 370, 452, 472, 565, 590, 592, 740, 904, 944, 1130, 1180, 1480, 1808, 2183, 2260, 2360, 2960, 4181, 4366, 4520, 4720, 6667, 8362, 8732, 9040, 10915, 13334, 16724, 17464, 20905, 21830, 26668, 33335, 33448, 34928, 41810, 43660, 53336, 66670, 66896, 83620, 87320, 106672, 133340, 167240, 174640, 246679, 266680, 334480, 493358, 533360, 986716, 1233395, 1973432, 2466790, 3946864, 4933580, 9867160, 19734320]

約数ペア:

[(1, 19734320), (2, 9867160), (4, 4933580), (5, 3946864), (8, 2466790), (10, 1973432), (16, 1233395), (20, 986716), (37, 533360), (40, 493358), (59, 334480), (74, 266680), (80, 246679), (113, 174640), (118, 167240), (148, 133340), (185, 106672), (226, 87320), (236, 83620), (295, 66896), (296, 66670), (370, 53336), (452, 43660), (472, 41810), (565, 34928), (590, 33448), (592, 33335), (740, 26668), (904, 21830), (944, 20905), (1130, 17464), (1180, 16724), (1480, 13334), (1808, 10915), (2183, 9040), (2260, 8732), (2360, 8362), (2960, 6667), (4181, 4720), (4366, 4520)]