19621264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 44997120

約数和(自身を除く): 25375856

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 179, 208, 221, 248, 272, 358, 403, 442, 496, 527, 716, 806, 884, 1054, 1432, 1612, 1768, 2108, 2327, 2864, 3043, 3224, 3536, 4216, 4654, 5549, 6086, 6448, 6851, 8432, 9308, 11098, 12172, 13702, 18616, 22196, 24344, 27404, 37232, 39559, 44392, 48688, 54808, 72137, 79118, 88784, 94333, 109616, 144274, 158236, 188666, 288548, 316472, 377332, 577096, 632944, 754664, 1154192, 1226329, 1509328, 2452658, 4905316, 9810632, 19621264]

約数ペア:

[(1, 19621264), (2, 9810632), (4, 4905316), (8, 2452658), (13, 1509328), (16, 1226329), (17, 1154192), (26, 754664), (31, 632944), (34, 577096), (52, 377332), (62, 316472), (68, 288548), (104, 188666), (124, 158236), (136, 144274), (179, 109616), (208, 94333), (221, 88784), (248, 79118), (272, 72137), (358, 54808), (403, 48688), (442, 44392), (496, 39559), (527, 37232), (716, 27404), (806, 24344), (884, 22196), (1054, 18616), (1432, 13702), (1612, 12172), (1768, 11098), (2108, 9308), (2327, 8432), (2864, 6851), (3043, 6448), (3224, 6086), (3536, 5549), (4216, 4654)]