18807948

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:947

約数の個数: 72

約数和(自身を含む): 51717120

約数和(自身を除く): 32909172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 887, 1116, 1178, 1767, 1774, 2356, 2661, 3534, 3548, 5301, 5322, 7068, 7983, 10602, 10644, 15966, 16853, 21204, 27497, 31932, 33706, 50559, 54994, 67412, 82491, 101118, 109988, 151677, 164982, 202236, 247473, 303354, 329964, 494946, 522443, 606708, 989892, 1044886, 1567329, 2089772, 3134658, 4701987, 6269316, 9403974, 18807948]

約数ペア:

[(1, 18807948), (2, 9403974), (3, 6269316), (4, 4701987), (6, 3134658), (9, 2089772), (12, 1567329), (18, 1044886), (19, 989892), (31, 606708), (36, 522443), (38, 494946), (57, 329964), (62, 303354), (76, 247473), (93, 202236), (114, 164982), (124, 151677), (171, 109988), (186, 101118), (228, 82491), (279, 67412), (342, 54994), (372, 50559), (558, 33706), (589, 31932), (684, 27497), (887, 21204), (1116, 16853), (1178, 15966), (1767, 10644), (1774, 10602), (2356, 7983), (2661, 7068), (3534, 5322), (3548, 5301)]