18674704

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{967}}^1$

素因数の和:1063

約数の個数: 40

約数和(自身を含む): 38890368

約数和(自身を除く): 20215664

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 71, 136, 142, 272, 284, 568, 967, 1136, 1207, 1934, 2414, 3868, 4828, 7736, 9656, 15472, 16439, 19312, 32878, 65756, 68657, 131512, 137314, 263024, 274628, 549256, 1098512, 1167169, 2334338, 4668676, 9337352, 18674704]

約数ペア:

[(1, 18674704), (2, 9337352), (4, 4668676), (8, 2334338), (16, 1167169), (17, 1098512), (34, 549256), (68, 274628), (71, 263024), (136, 137314), (142, 131512), (272, 68657), (284, 65756), (568, 32878), (967, 19312), (1136, 16439), (1207, 15472), (1934, 9656), (2414, 7736), (3868, 4828)]