29781018

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2$

素因数の和:164

約数の個数: 72

約数和(自身を含む): 71460480

約数和(自身を除く): 41679462

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 53, 57, 62, 93, 106, 114, 159, 171, 186, 279, 318, 342, 477, 558, 589, 954, 1007, 1178, 1643, 1767, 2014, 2809, 3021, 3286, 3534, 4929, 5301, 5618, 6042, 8427, 9063, 9858, 10602, 14787, 16854, 18126, 25281, 29574, 31217, 50562, 53371, 62434, 87079, 93651, 106742, 160113, 174158, 187302, 261237, 280953, 320226, 480339, 522474, 561906, 783711, 960678, 1567422, 1654501, 3309002, 4963503, 9927006, 14890509, 29781018]

約数ペア:

[(1, 29781018), (2, 14890509), (3, 9927006), (6, 4963503), (9, 3309002), (18, 1654501), (19, 1567422), (31, 960678), (38, 783711), (53, 561906), (57, 522474), (62, 480339), (93, 320226), (106, 280953), (114, 261237), (159, 187302), (171, 174158), (186, 160113), (279, 106742), (318, 93651), (342, 87079), (477, 62434), (558, 53371), (589, 50562), (954, 31217), (1007, 29574), (1178, 25281), (1643, 18126), (1767, 16854), (2014, 14787), (2809, 10602), (3021, 9858), (3286, 9063), (3534, 8427), (4929, 6042), (5301, 5618)]