18349240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 51539040

約数和(自身を除く): 33189800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 182, 260, 280, 284, 355, 364, 455, 497, 520, 568, 710, 728, 910, 923, 994, 1420, 1820, 1846, 1988, 2485, 2840, 3640, 3692, 3976, 4615, 4970, 5041, 6461, 7384, 9230, 9940, 10082, 12922, 18460, 19880, 20164, 25205, 25844, 32305, 35287, 36920, 40328, 50410, 51688, 64610, 65533, 70574, 100820, 129220, 131066, 141148, 176435, 201640, 258440, 262132, 282296, 327665, 352870, 458731, 524264, 655330, 705740, 917462, 1310660, 1411480, 1834924, 2293655, 2621320, 3669848, 4587310, 9174620, 18349240]

約数ペア:

[(1, 18349240), (2, 9174620), (4, 4587310), (5, 3669848), (7, 2621320), (8, 2293655), (10, 1834924), (13, 1411480), (14, 1310660), (20, 917462), (26, 705740), (28, 655330), (35, 524264), (40, 458731), (52, 352870), (56, 327665), (65, 282296), (70, 262132), (71, 258440), (91, 201640), (104, 176435), (130, 141148), (140, 131066), (142, 129220), (182, 100820), (260, 70574), (280, 65533), (284, 64610), (355, 51688), (364, 50410), (455, 40328), (497, 36920), (520, 35287), (568, 32305), (710, 25844), (728, 25205), (910, 20164), (923, 19880), (994, 18460), (1420, 12922), (1820, 10082), (1846, 9940), (1988, 9230), (2485, 7384), (2840, 6461), (3640, 5041), (3692, 4970), (3976, 4615)]