18797350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 72

約数和(自身を含む): 41559840

約数和(自身を除く): 22762490

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 121, 130, 143, 239, 242, 275, 286, 325, 478, 550, 605, 650, 715, 1195, 1210, 1430, 1573, 2390, 2629, 3025, 3107, 3146, 3575, 5258, 5975, 6050, 6214, 7150, 7865, 11950, 13145, 15535, 15730, 26290, 28919, 31070, 34177, 39325, 57838, 65725, 68354, 77675, 78650, 131450, 144595, 155350, 170885, 289190, 341770, 375947, 722975, 751894, 854425, 1445950, 1708850, 1879735, 3759470, 9398675, 18797350]

約数ペア:

[(1, 18797350), (2, 9398675), (5, 3759470), (10, 1879735), (11, 1708850), (13, 1445950), (22, 854425), (25, 751894), (26, 722975), (50, 375947), (55, 341770), (65, 289190), (110, 170885), (121, 155350), (130, 144595), (143, 131450), (239, 78650), (242, 77675), (275, 68354), (286, 65725), (325, 57838), (478, 39325), (550, 34177), (605, 31070), (650, 28919), (715, 26290), (1195, 15730), (1210, 15535), (1430, 13145), (1573, 11950), (2390, 7865), (2629, 7150), (3025, 6214), (3107, 6050), (3146, 5975), (3575, 5258)]