18517760

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:98

約数の個数: 144

約数和(自身を含む): 50331456

約数和(自身を除く): 31813696

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 37, 40, 46, 64, 68, 74, 80, 85, 92, 115, 128, 136, 148, 160, 170, 184, 185, 230, 256, 272, 296, 320, 340, 368, 370, 391, 460, 544, 592, 629, 640, 680, 736, 740, 782, 851, 920, 1088, 1184, 1258, 1280, 1360, 1472, 1480, 1564, 1702, 1840, 1955, 2176, 2368, 2516, 2720, 2944, 2960, 3128, 3145, 3404, 3680, 3910, 4255, 4352, 4736, 5032, 5440, 5888, 5920, 6256, 6290, 6808, 7360, 7820, 8510, 9472, 10064, 10880, 11840, 12512, 12580, 13616, 14467, 14720, 15640, 17020, 20128, 21760, 23680, 25024, 25160, 27232, 28934, 29440, 31280, 34040, 40256, 47360, 50048, 50320, 54464, 57868, 62560, 68080, 72335, 80512, 100096, 100640, 108928, 115736, 125120, 136160, 144670, 161024, 201280, 217856, 231472, 250240, 272320, 289340, 402560, 462944, 500480, 544640, 578680, 805120, 925888, 1089280, 1157360, 1851776, 2314720, 3703552, 4629440, 9258880, 18517760]

約数ペア:

[(1, 18517760), (2, 9258880), (4, 4629440), (5, 3703552), (8, 2314720), (10, 1851776), (16, 1157360), (17, 1089280), (20, 925888), (23, 805120), (32, 578680), (34, 544640), (37, 500480), (40, 462944), (46, 402560), (64, 289340), (68, 272320), (74, 250240), (80, 231472), (85, 217856), (92, 201280), (115, 161024), (128, 144670), (136, 136160), (148, 125120), (160, 115736), (170, 108928), (184, 100640), (185, 100096), (230, 80512), (256, 72335), (272, 68080), (296, 62560), (320, 57868), (340, 54464), (368, 50320), (370, 50048), (391, 47360), (460, 40256), (544, 34040), (592, 31280), (629, 29440), (640, 28934), (680, 27232), (736, 25160), (740, 25024), (782, 23680), (851, 21760), (920, 20128), (1088, 17020), (1184, 15640), (1258, 14720), (1280, 14467), (1360, 13616), (1472, 12580), (1480, 12512), (1564, 11840), (1702, 10880), (1840, 10064), (1955, 9472), (2176, 8510), (2368, 7820), (2516, 7360), (2720, 6808), (2944, 6290), (2960, 6256), (3128, 5920), (3145, 5888), (3404, 5440), (3680, 5032), (3910, 4736), (4255, 4352)]