18401058

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:320

約数の個数: 72

約数和(自身を含む): 45220032

約数和(自身を除く): 26818974

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 169, 207, 234, 263, 299, 338, 414, 507, 526, 598, 789, 897, 1014, 1521, 1578, 1794, 2367, 2691, 3042, 3419, 3887, 4734, 5382, 6049, 6838, 7774, 10257, 11661, 12098, 18147, 20514, 23322, 30771, 34983, 36294, 44447, 54441, 61542, 69966, 78637, 88894, 108882, 133341, 157274, 235911, 266682, 400023, 471822, 707733, 800046, 1022281, 1415466, 2044562, 3066843, 6133686, 9200529, 18401058]

約数ペア:

[(1, 18401058), (2, 9200529), (3, 6133686), (6, 3066843), (9, 2044562), (13, 1415466), (18, 1022281), (23, 800046), (26, 707733), (39, 471822), (46, 400023), (69, 266682), (78, 235911), (117, 157274), (138, 133341), (169, 108882), (207, 88894), (234, 78637), (263, 69966), (299, 61542), (338, 54441), (414, 44447), (507, 36294), (526, 34983), (598, 30771), (789, 23322), (897, 20514), (1014, 18147), (1521, 12098), (1578, 11661), (1794, 10257), (2367, 7774), (2691, 6838), (3042, 6049), (3419, 5382), (3887, 4734)]