18611450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 43122240

約数和(自身を除く): 24510790

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 25, 26, 38, 50, 55, 65, 95, 110, 130, 137, 143, 190, 209, 247, 274, 275, 286, 325, 418, 475, 494, 550, 650, 685, 715, 950, 1045, 1235, 1370, 1430, 1507, 1781, 2090, 2470, 2603, 2717, 3014, 3425, 3562, 3575, 5206, 5225, 5434, 6175, 6850, 7150, 7535, 8905, 10450, 12350, 13015, 13585, 15070, 17810, 19591, 26030, 27170, 28633, 33839, 37675, 39182, 44525, 57266, 65075, 67678, 67925, 75350, 89050, 97955, 130150, 135850, 143165, 169195, 195910, 286330, 338390, 372229, 489775, 715825, 744458, 845975, 979550, 1431650, 1691950, 1861145, 3722290, 9305725, 18611450]

約数ペア:

[(1, 18611450), (2, 9305725), (5, 3722290), (10, 1861145), (11, 1691950), (13, 1431650), (19, 979550), (22, 845975), (25, 744458), (26, 715825), (38, 489775), (50, 372229), (55, 338390), (65, 286330), (95, 195910), (110, 169195), (130, 143165), (137, 135850), (143, 130150), (190, 97955), (209, 89050), (247, 75350), (274, 67925), (275, 67678), (286, 65075), (325, 57266), (418, 44525), (475, 39182), (494, 37675), (550, 33839), (650, 28633), (685, 27170), (715, 26030), (950, 19591), (1045, 17810), (1235, 15070), (1370, 13585), (1430, 13015), (1507, 12350), (1781, 10450), (2090, 8905), (2470, 7535), (2603, 7150), (2717, 6850), (3014, 6175), (3425, 5434), (3562, 5225), (3575, 5206)]