17921536

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 80

約数和(自身を含む): 39774240

約数和(自身を除く): 21852704

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 64, 68, 71, 116, 128, 136, 142, 232, 256, 272, 284, 464, 493, 512, 544, 568, 928, 986, 1088, 1136, 1207, 1856, 1972, 2059, 2176, 2272, 2414, 3712, 3944, 4118, 4352, 4544, 4828, 7424, 7888, 8236, 8704, 9088, 9656, 14848, 15776, 16472, 18176, 19312, 31552, 32944, 35003, 36352, 38624, 63104, 65888, 70006, 77248, 126208, 131776, 140012, 154496, 252416, 263552, 280024, 308992, 527104, 560048, 617984, 1054208, 1120096, 2240192, 4480384, 8960768, 17921536]

約数ペア:

[(1, 17921536), (2, 8960768), (4, 4480384), (8, 2240192), (16, 1120096), (17, 1054208), (29, 617984), (32, 560048), (34, 527104), (58, 308992), (64, 280024), (68, 263552), (71, 252416), (116, 154496), (128, 140012), (136, 131776), (142, 126208), (232, 77248), (256, 70006), (272, 65888), (284, 63104), (464, 38624), (493, 36352), (512, 35003), (544, 32944), (568, 31552), (928, 19312), (986, 18176), (1088, 16472), (1136, 15776), (1207, 14848), (1856, 9656), (1972, 9088), (2059, 8704), (2176, 8236), (2272, 7888), (2414, 7424), (3712, 4828), (3944, 4544), (4118, 4352)]