19628766

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1281

約数の個数: 48

約数和(自身を含む): 45452160

約数和(自身を除く): 25823394

約数列:

[1, 2, 3, 6, 9, 18, 29, 31, 58, 62, 87, 93, 174, 186, 261, 279, 522, 558, 899, 1213, 1798, 2426, 2697, 3639, 5394, 7278, 8091, 10917, 16182, 21834, 35177, 37603, 70354, 75206, 105531, 112809, 211062, 225618, 316593, 338427, 633186, 676854, 1090487, 2180974, 3271461, 6542922, 9814383, 19628766]

約数ペア:

[(1, 19628766), (2, 9814383), (3, 6542922), (6, 3271461), (9, 2180974), (18, 1090487), (29, 676854), (31, 633186), (58, 338427), (62, 316593), (87, 225618), (93, 211062), (174, 112809), (186, 105531), (261, 75206), (279, 70354), (522, 37603), (558, 35177), (899, 21834), (1213, 16182), (1798, 10917), (2426, 8091), (2697, 7278), (3639, 5394)]