19217172

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2621}}^1$

素因数の和:2688

約数の個数: 48

約数和(自身を含む): 49335552

約数和(自身を除く): 30118380

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 188, 282, 564, 611, 1222, 1833, 2444, 2621, 3666, 5242, 7332, 7863, 10484, 15726, 31452, 34073, 68146, 102219, 123187, 136292, 204438, 246374, 369561, 408876, 492748, 739122, 1478244, 1601431, 3202862, 4804293, 6405724, 9608586, 19217172]

約数ペア:

[(1, 19217172), (2, 9608586), (3, 6405724), (4, 4804293), (6, 3202862), (12, 1601431), (13, 1478244), (26, 739122), (39, 492748), (47, 408876), (52, 369561), (78, 246374), (94, 204438), (141, 136292), (156, 123187), (188, 102219), (282, 68146), (564, 34073), (611, 31452), (1222, 15726), (1833, 10484), (2444, 7863), (2621, 7332), (3666, 5242)]