18542368

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{53}}^1$

素因数の和:134

約数の個数: 72

約数和(自身を含む): 41483988

約数和(自身を除く): 22941620

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 53, 58, 104, 106, 116, 208, 212, 232, 377, 416, 424, 464, 689, 754, 841, 848, 928, 1378, 1508, 1537, 1682, 1696, 2756, 3016, 3074, 3364, 5512, 6032, 6148, 6728, 10933, 11024, 12064, 12296, 13456, 19981, 21866, 22048, 24592, 26912, 39962, 43732, 44573, 49184, 79924, 87464, 89146, 159848, 174928, 178292, 319696, 349856, 356584, 579449, 639392, 713168, 1158898, 1426336, 2317796, 4635592, 9271184, 18542368]

約数ペア:

[(1, 18542368), (2, 9271184), (4, 4635592), (8, 2317796), (13, 1426336), (16, 1158898), (26, 713168), (29, 639392), (32, 579449), (52, 356584), (53, 349856), (58, 319696), (104, 178292), (106, 174928), (116, 159848), (208, 89146), (212, 87464), (232, 79924), (377, 49184), (416, 44573), (424, 43732), (464, 39962), (689, 26912), (754, 24592), (841, 22048), (848, 21866), (928, 19981), (1378, 13456), (1508, 12296), (1537, 12064), (1682, 11024), (1696, 10933), (2756, 6728), (3016, 6148), (3074, 6032), (3364, 5512)]