18563898

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 42239232

約数和(自身を除く): 23675334

約数列:

[1, 2, 3, 6, 17, 23, 34, 41, 46, 51, 69, 82, 102, 123, 138, 193, 246, 386, 391, 579, 697, 782, 943, 1158, 1173, 1394, 1886, 2091, 2346, 2829, 3281, 4182, 4439, 5658, 6562, 7913, 8878, 9843, 13317, 15826, 16031, 19686, 23739, 26634, 32062, 47478, 48093, 75463, 96186, 134521, 150926, 181999, 226389, 269042, 363998, 403563, 452778, 545997, 807126, 1091994, 3093983, 6187966, 9281949, 18563898]

約数ペア:

[(1, 18563898), (2, 9281949), (3, 6187966), (6, 3093983), (17, 1091994), (23, 807126), (34, 545997), (41, 452778), (46, 403563), (51, 363998), (69, 269042), (82, 226389), (102, 181999), (123, 150926), (138, 134521), (193, 96186), (246, 75463), (386, 48093), (391, 47478), (579, 32062), (697, 26634), (782, 23739), (943, 19686), (1158, 16031), (1173, 15826), (1394, 13317), (1886, 9843), (2091, 8878), (2346, 7913), (2829, 6562), (3281, 5658), (4182, 4439)]