18980704

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 43436736

約数和(自身を除く): 24456032

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 37, 41, 46, 68, 74, 82, 92, 136, 148, 164, 184, 272, 296, 328, 368, 391, 544, 592, 629, 656, 697, 736, 782, 851, 943, 1184, 1258, 1312, 1394, 1517, 1564, 1702, 1886, 2516, 2788, 3034, 3128, 3404, 3772, 5032, 5576, 6068, 6256, 6808, 7544, 10064, 11152, 12136, 12512, 13616, 14467, 15088, 16031, 20128, 22304, 24272, 25789, 27232, 28934, 30176, 32062, 34891, 48544, 51578, 57868, 64124, 69782, 103156, 115736, 128248, 139564, 206312, 231472, 256496, 279128, 412624, 462944, 512992, 558256, 593147, 825248, 1116512, 1186294, 2372588, 4745176, 9490352, 18980704]

約数ペア:

[(1, 18980704), (2, 9490352), (4, 4745176), (8, 2372588), (16, 1186294), (17, 1116512), (23, 825248), (32, 593147), (34, 558256), (37, 512992), (41, 462944), (46, 412624), (68, 279128), (74, 256496), (82, 231472), (92, 206312), (136, 139564), (148, 128248), (164, 115736), (184, 103156), (272, 69782), (296, 64124), (328, 57868), (368, 51578), (391, 48544), (544, 34891), (592, 32062), (629, 30176), (656, 28934), (697, 27232), (736, 25789), (782, 24272), (851, 22304), (943, 20128), (1184, 16031), (1258, 15088), (1312, 14467), (1394, 13616), (1517, 12512), (1564, 12136), (1702, 11152), (1886, 10064), (2516, 7544), (2788, 6808), (3034, 6256), (3128, 6068), (3404, 5576), (3772, 5032)]