19476990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 38583810

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 31, 39, 45, 54, 62, 65, 78, 90, 93, 117, 130, 135, 155, 179, 186, 195, 234, 270, 279, 310, 351, 358, 390, 403, 465, 537, 558, 585, 702, 806, 837, 895, 930, 1074, 1170, 1209, 1395, 1611, 1674, 1755, 1790, 2015, 2327, 2418, 2685, 2790, 3222, 3510, 3627, 4030, 4185, 4654, 4833, 5370, 5549, 6045, 6981, 7254, 8055, 8370, 9666, 10881, 11098, 11635, 12090, 13962, 16110, 16647, 18135, 20943, 21762, 23270, 24165, 27745, 33294, 34905, 36270, 41886, 48330, 49941, 54405, 55490, 62829, 69810, 72137, 83235, 99882, 104715, 108810, 125658, 144274, 149823, 166470, 209430, 216411, 249705, 299646, 314145, 360685, 432822, 499410, 628290, 649233, 721370, 749115, 1082055, 1298466, 1498230, 1947699, 2164110, 3246165, 3895398, 6492330, 9738495, 19476990]

約数ペア:

[(1, 19476990), (2, 9738495), (3, 6492330), (5, 3895398), (6, 3246165), (9, 2164110), (10, 1947699), (13, 1498230), (15, 1298466), (18, 1082055), (26, 749115), (27, 721370), (30, 649233), (31, 628290), (39, 499410), (45, 432822), (54, 360685), (62, 314145), (65, 299646), (78, 249705), (90, 216411), (93, 209430), (117, 166470), (130, 149823), (135, 144274), (155, 125658), (179, 108810), (186, 104715), (195, 99882), (234, 83235), (270, 72137), (279, 69810), (310, 62829), (351, 55490), (358, 54405), (390, 49941), (403, 48330), (465, 41886), (537, 36270), (558, 34905), (585, 33294), (702, 27745), (806, 24165), (837, 23270), (895, 21762), (930, 20943), (1074, 18135), (1170, 16647), (1209, 16110), (1395, 13962), (1611, 12090), (1674, 11635), (1755, 11098), (1790, 10881), (2015, 9666), (2327, 8370), (2418, 8055), (2685, 7254), (2790, 6981), (3222, 6045), (3510, 5549), (3627, 5370), (4030, 4833), (4185, 4654)]