18230528

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 39735360

約数和(自身を除く): 21504832

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 59, 64, 68, 71, 118, 128, 136, 142, 236, 256, 272, 284, 472, 544, 568, 944, 1003, 1088, 1136, 1207, 1888, 2006, 2176, 2272, 2414, 3776, 4012, 4189, 4352, 4544, 4828, 7552, 8024, 8378, 9088, 9656, 15104, 16048, 16756, 18176, 19312, 32096, 33512, 38624, 64192, 67024, 71213, 77248, 128384, 134048, 142426, 154496, 256768, 268096, 284852, 308992, 536192, 569704, 1072384, 1139408, 2278816, 4557632, 9115264, 18230528]

約数ペア:

[(1, 18230528), (2, 9115264), (4, 4557632), (8, 2278816), (16, 1139408), (17, 1072384), (32, 569704), (34, 536192), (59, 308992), (64, 284852), (68, 268096), (71, 256768), (118, 154496), (128, 142426), (136, 134048), (142, 128384), (236, 77248), (256, 71213), (272, 67024), (284, 64192), (472, 38624), (544, 33512), (568, 32096), (944, 19312), (1003, 18176), (1088, 16756), (1136, 16048), (1207, 15104), (1888, 9656), (2006, 9088), (2176, 8378), (2272, 8024), (2414, 7552), (3776, 4828), (4012, 4544), (4189, 4352)]