18499140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9343}}^1$

素因数の和:9369

約数の個数: 72

約数和(自身を含む): 61221888

約数和(自身を除く): 42722748

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 9343, 18686, 28029, 37372, 46715, 56058, 84087, 93430, 102773, 112116, 140145, 168174, 186860, 205546, 280290, 308319, 336348, 411092, 420435, 513865, 560580, 616638, 840870, 924957, 1027730, 1233276, 1541595, 1681740, 1849914, 2055460, 3083190, 3699828, 4624785, 6166380, 9249570, 18499140]

約数ペア:

[(1, 18499140), (2, 9249570), (3, 6166380), (4, 4624785), (5, 3699828), (6, 3083190), (9, 2055460), (10, 1849914), (11, 1681740), (12, 1541595), (15, 1233276), (18, 1027730), (20, 924957), (22, 840870), (30, 616638), (33, 560580), (36, 513865), (44, 420435), (45, 411092), (55, 336348), (60, 308319), (66, 280290), (90, 205546), (99, 186860), (110, 168174), (132, 140145), (165, 112116), (180, 102773), (198, 93430), (220, 84087), (330, 56058), (396, 46715), (495, 37372), (660, 28029), (990, 18686), (1980, 9343)]