19426550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:79

約数の個数: 108

約数和(自身を含む): 45270540

約数和(自身を除く): 25843990

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 25, 26, 38, 50, 55, 65, 95, 110, 121, 130, 143, 169, 190, 209, 242, 247, 275, 286, 325, 338, 418, 475, 494, 550, 605, 650, 715, 845, 950, 1045, 1210, 1235, 1430, 1573, 1690, 1859, 2090, 2299, 2470, 2717, 3025, 3146, 3211, 3575, 3718, 4225, 4598, 5225, 5434, 6050, 6175, 6422, 7150, 7865, 8450, 9295, 10450, 11495, 12350, 13585, 15730, 16055, 18590, 20449, 22990, 27170, 29887, 32110, 35321, 39325, 40898, 46475, 57475, 59774, 67925, 70642, 78650, 80275, 92950, 102245, 114950, 135850, 149435, 160550, 176605, 204490, 298870, 353210, 388531, 511225, 747175, 777062, 883025, 1022450, 1494350, 1766050, 1942655, 3885310, 9713275, 19426550]

約数ペア:

[(1, 19426550), (2, 9713275), (5, 3885310), (10, 1942655), (11, 1766050), (13, 1494350), (19, 1022450), (22, 883025), (25, 777062), (26, 747175), (38, 511225), (50, 388531), (55, 353210), (65, 298870), (95, 204490), (110, 176605), (121, 160550), (130, 149435), (143, 135850), (169, 114950), (190, 102245), (209, 92950), (242, 80275), (247, 78650), (275, 70642), (286, 67925), (325, 59774), (338, 57475), (418, 46475), (475, 40898), (494, 39325), (550, 35321), (605, 32110), (650, 29887), (715, 27170), (845, 22990), (950, 20449), (1045, 18590), (1210, 16055), (1235, 15730), (1430, 13585), (1573, 12350), (1690, 11495), (1859, 10450), (2090, 9295), (2299, 8450), (2470, 7865), (2717, 7150), (3025, 6422), (3146, 6175), (3211, 6050), (3575, 5434), (3718, 5225), (4225, 4598)]