18713030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 22344250

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 59, 70, 115, 118, 161, 197, 230, 295, 322, 394, 413, 590, 805, 826, 985, 1357, 1379, 1610, 1970, 2065, 2714, 2758, 4130, 4531, 6785, 6895, 9062, 9499, 11623, 13570, 13790, 18998, 22655, 23246, 31717, 45310, 47495, 58115, 63434, 81361, 94990, 116230, 158585, 162722, 267329, 317170, 406805, 534658, 813610, 1336645, 1871303, 2673290, 3742606, 9356515, 18713030]

約数ペア:

[(1, 18713030), (2, 9356515), (5, 3742606), (7, 2673290), (10, 1871303), (14, 1336645), (23, 813610), (35, 534658), (46, 406805), (59, 317170), (70, 267329), (115, 162722), (118, 158585), (161, 116230), (197, 94990), (230, 81361), (295, 63434), (322, 58115), (394, 47495), (413, 45310), (590, 31717), (805, 23246), (826, 22655), (985, 18998), (1357, 13790), (1379, 13570), (1610, 11623), (1970, 9499), (2065, 9062), (2714, 6895), (2758, 6785), (4130, 4531)]