17923984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 40966128

約数和(自身を除く): 23042144

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 37, 52, 68, 74, 104, 136, 137, 148, 208, 221, 272, 274, 296, 442, 481, 548, 592, 629, 884, 962, 1096, 1258, 1768, 1781, 1924, 2192, 2329, 2516, 3536, 3562, 3848, 4658, 5032, 5069, 7124, 7696, 8177, 9316, 10064, 10138, 14248, 16354, 18632, 20276, 28496, 30277, 32708, 37264, 40552, 60554, 65416, 65897, 81104, 86173, 121108, 130832, 131794, 172346, 242216, 263588, 344692, 484432, 527176, 689384, 1054352, 1120249, 1378768, 2240498, 4480996, 8961992, 17923984]

約数ペア:

[(1, 17923984), (2, 8961992), (4, 4480996), (8, 2240498), (13, 1378768), (16, 1120249), (17, 1054352), (26, 689384), (34, 527176), (37, 484432), (52, 344692), (68, 263588), (74, 242216), (104, 172346), (136, 131794), (137, 130832), (148, 121108), (208, 86173), (221, 81104), (272, 65897), (274, 65416), (296, 60554), (442, 40552), (481, 37264), (548, 32708), (592, 30277), (629, 28496), (884, 20276), (962, 18632), (1096, 16354), (1258, 14248), (1768, 10138), (1781, 10064), (1924, 9316), (2192, 8177), (2329, 7696), (2516, 7124), (3536, 5069), (3562, 5032), (3848, 4658)]