18642080

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:166

約数の個数: 96

約数和(自身を含む): 46884096

約数和(自身を除く): 28242016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 47, 67, 74, 80, 94, 134, 148, 160, 185, 188, 235, 268, 296, 335, 370, 376, 470, 536, 592, 670, 740, 752, 940, 1072, 1184, 1340, 1480, 1504, 1739, 1880, 2144, 2479, 2680, 2960, 3149, 3478, 3760, 4958, 5360, 5920, 6298, 6956, 7520, 8695, 9916, 10720, 12395, 12596, 13912, 15745, 17390, 19832, 24790, 25192, 27824, 31490, 34780, 39664, 49580, 50384, 55648, 62980, 69560, 79328, 99160, 100768, 116513, 125960, 139120, 198320, 233026, 251920, 278240, 396640, 466052, 503840, 582565, 932104, 1165130, 1864208, 2330260, 3728416, 4660520, 9321040, 18642080]

約数ペア:

[(1, 18642080), (2, 9321040), (4, 4660520), (5, 3728416), (8, 2330260), (10, 1864208), (16, 1165130), (20, 932104), (32, 582565), (37, 503840), (40, 466052), (47, 396640), (67, 278240), (74, 251920), (80, 233026), (94, 198320), (134, 139120), (148, 125960), (160, 116513), (185, 100768), (188, 99160), (235, 79328), (268, 69560), (296, 62980), (335, 55648), (370, 50384), (376, 49580), (470, 39664), (536, 34780), (592, 31490), (670, 27824), (740, 25192), (752, 24790), (940, 19832), (1072, 17390), (1184, 15745), (1340, 13912), (1480, 12596), (1504, 12395), (1739, 10720), (1880, 9916), (2144, 8695), (2479, 7520), (2680, 6956), (2960, 6298), (3149, 5920), (3478, 5360), (3760, 4958)]