18863820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:392

約数の個数: 96

約数和(自身を含む): 59317440

約数和(自身を除く): 40453620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 181, 193, 270, 362, 386, 540, 543, 579, 724, 772, 905, 965, 1086, 1158, 1629, 1737, 1810, 1930, 2172, 2316, 2715, 2895, 3258, 3474, 3620, 3860, 4887, 5211, 5430, 5790, 6516, 6948, 8145, 8685, 9774, 10422, 10860, 11580, 16290, 17370, 19548, 20844, 24435, 26055, 32580, 34740, 34933, 48870, 52110, 69866, 97740, 104220, 104799, 139732, 174665, 209598, 314397, 349330, 419196, 523995, 628794, 698660, 943191, 1047990, 1257588, 1571985, 1886382, 2095980, 3143970, 3772764, 4715955, 6287940, 9431910, 18863820]

約数ペア:

[(1, 18863820), (2, 9431910), (3, 6287940), (4, 4715955), (5, 3772764), (6, 3143970), (9, 2095980), (10, 1886382), (12, 1571985), (15, 1257588), (18, 1047990), (20, 943191), (27, 698660), (30, 628794), (36, 523995), (45, 419196), (54, 349330), (60, 314397), (90, 209598), (108, 174665), (135, 139732), (180, 104799), (181, 104220), (193, 97740), (270, 69866), (362, 52110), (386, 48870), (540, 34933), (543, 34740), (579, 32580), (724, 26055), (772, 24435), (905, 20844), (965, 19548), (1086, 17370), (1158, 16290), (1629, 11580), (1737, 10860), (1810, 10422), (1930, 9774), (2172, 8685), (2316, 8145), (2715, 6948), (2895, 6516), (3258, 5790), (3474, 5430), (3620, 5211), (3860, 4887)]