19795890231

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{52237}}^1$

素因数の和:52376

約数の個数: 48

約数和(自身を含む): 31944581760

約数和(自身を除く): 12148691529

約数列:

[1, 3, 9, 13, 39, 41, 79, 117, 123, 237, 369, 533, 711, 1027, 1599, 3081, 3239, 4797, 9243, 9717, 29151, 42107, 52237, 126321, 156711, 378963, 470133, 679081, 2037243, 2141717, 4126723, 6111729, 6425151, 12380169, 19275453, 27842321, 37140507, 53647399, 83526963, 160942197, 169195643, 250580889, 482826591, 507586929, 1522760787, 2199543359, 6598630077, 19795890231]

約数ペア:

[(1, 19795890231), (3, 6598630077), (9, 2199543359), (13, 1522760787), (39, 507586929), (41, 482826591), (79, 250580889), (117, 169195643), (123, 160942197), (237, 83526963), (369, 53647399), (533, 37140507), (711, 27842321), (1027, 19275453), (1599, 12380169), (3081, 6425151), (3239, 6111729), (4797, 4126723), (9243, 2141717), (9717, 2037243), (29151, 679081), (42107, 470133), (52237, 378963), (126321, 156711)]