18616884

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:621

約数の個数: 96

約数和(自身を含む): 53813760

約数和(自身を除く): 35196876

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 19, 22, 26, 33, 38, 39, 44, 52, 57, 66, 76, 78, 114, 132, 143, 156, 209, 228, 247, 286, 418, 429, 494, 571, 572, 627, 741, 836, 858, 988, 1142, 1254, 1482, 1713, 1716, 2284, 2508, 2717, 2964, 3426, 5434, 6281, 6852, 7423, 8151, 10849, 10868, 12562, 14846, 16302, 18843, 21698, 22269, 25124, 29692, 32547, 32604, 37686, 43396, 44538, 65094, 75372, 81653, 89076, 119339, 130188, 141037, 163306, 238678, 244959, 282074, 326612, 358017, 423111, 477356, 489918, 564148, 716034, 846222, 979836, 1432068, 1551407, 1692444, 3102814, 4654221, 6205628, 9308442, 18616884]

約数ペア:

[(1, 18616884), (2, 9308442), (3, 6205628), (4, 4654221), (6, 3102814), (11, 1692444), (12, 1551407), (13, 1432068), (19, 979836), (22, 846222), (26, 716034), (33, 564148), (38, 489918), (39, 477356), (44, 423111), (52, 358017), (57, 326612), (66, 282074), (76, 244959), (78, 238678), (114, 163306), (132, 141037), (143, 130188), (156, 119339), (209, 89076), (228, 81653), (247, 75372), (286, 65094), (418, 44538), (429, 43396), (494, 37686), (571, 32604), (572, 32547), (627, 29692), (741, 25124), (836, 22269), (858, 21698), (988, 18843), (1142, 16302), (1254, 14846), (1482, 12562), (1713, 10868), (1716, 10849), (2284, 8151), (2508, 7423), (2717, 6852), (2964, 6281), (3426, 5434)]