19742226

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 47554560

約数和(自身を除く): 27812334

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 59, 62, 93, 118, 177, 186, 217, 257, 354, 413, 434, 514, 651, 771, 826, 1239, 1302, 1542, 1799, 1829, 2478, 3598, 3658, 5397, 5487, 7967, 10794, 10974, 12803, 15163, 15934, 23901, 25606, 30326, 38409, 45489, 47802, 55769, 76818, 90978, 106141, 111538, 167307, 212282, 318423, 334614, 470053, 636846, 940106, 1410159, 2820318, 3290371, 6580742, 9871113, 19742226]

約数ペア:

[(1, 19742226), (2, 9871113), (3, 6580742), (6, 3290371), (7, 2820318), (14, 1410159), (21, 940106), (31, 636846), (42, 470053), (59, 334614), (62, 318423), (93, 212282), (118, 167307), (177, 111538), (186, 106141), (217, 90978), (257, 76818), (354, 55769), (413, 47802), (434, 45489), (514, 38409), (651, 30326), (771, 25606), (826, 23901), (1239, 15934), (1302, 15163), (1542, 12803), (1799, 10974), (1829, 10794), (2478, 7967), (3598, 5487), (3658, 5397)]