19831140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15739}}^1$

素因数の和:15761

約数の個数: 72

約数和(自身を含む): 68752320

約数和(自身を除く): 48921180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15739, 31478, 47217, 62956, 78695, 94434, 110173, 141651, 157390, 188868, 220346, 236085, 283302, 314780, 330519, 440692, 472170, 550865, 566604, 661038, 708255, 944340, 991557, 1101730, 1322076, 1416510, 1652595, 1983114, 2203460, 2833020, 3305190, 3966228, 4957785, 6610380, 9915570, 19831140]

約数ペア:

[(1, 19831140), (2, 9915570), (3, 6610380), (4, 4957785), (5, 3966228), (6, 3305190), (7, 2833020), (9, 2203460), (10, 1983114), (12, 1652595), (14, 1416510), (15, 1322076), (18, 1101730), (20, 991557), (21, 944340), (28, 708255), (30, 661038), (35, 566604), (36, 550865), (42, 472170), (45, 440692), (60, 330519), (63, 314780), (70, 283302), (84, 236085), (90, 220346), (105, 188868), (126, 157390), (140, 141651), (180, 110173), (210, 94434), (252, 78695), (315, 62956), (420, 47217), (630, 31478), (1260, 15739)]