18189780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 62052480

約数和(自身を除く): 43862700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 269, 276, 294, 322, 345, 420, 460, 483, 490, 538, 588, 644, 690, 735, 805, 807, 966, 980, 1076, 1127, 1345, 1380, 1470, 1610, 1614, 1883, 1932, 2254, 2415, 2690, 2940, 3220, 3228, 3381, 3766, 4035, 4508, 4830, 5380, 5635, 5649, 6187, 6762, 7532, 8070, 9415, 9660, 11270, 11298, 12374, 13181, 13524, 16140, 16905, 18561, 18830, 22540, 22596, 24748, 26362, 28245, 30935, 33810, 37122, 37660, 39543, 43309, 52724, 56490, 61870, 65905, 67620, 74244, 79086, 86618, 92805, 112980, 123740, 129927, 131810, 158172, 173236, 185610, 197715, 216545, 259854, 263620, 303163, 371220, 395430, 433090, 519708, 606326, 649635, 790860, 866180, 909489, 1212652, 1299270, 1515815, 1818978, 2598540, 3031630, 3637956, 4547445, 6063260, 9094890, 18189780]

約数ペア:

[(1, 18189780), (2, 9094890), (3, 6063260), (4, 4547445), (5, 3637956), (6, 3031630), (7, 2598540), (10, 1818978), (12, 1515815), (14, 1299270), (15, 1212652), (20, 909489), (21, 866180), (23, 790860), (28, 649635), (30, 606326), (35, 519708), (42, 433090), (46, 395430), (49, 371220), (60, 303163), (69, 263620), (70, 259854), (84, 216545), (92, 197715), (98, 185610), (105, 173236), (115, 158172), (138, 131810), (140, 129927), (147, 123740), (161, 112980), (196, 92805), (210, 86618), (230, 79086), (245, 74244), (269, 67620), (276, 65905), (294, 61870), (322, 56490), (345, 52724), (420, 43309), (460, 39543), (483, 37660), (490, 37122), (538, 33810), (588, 30935), (644, 28245), (690, 26362), (735, 24748), (805, 22596), (807, 22540), (966, 18830), (980, 18561), (1076, 16905), (1127, 16140), (1345, 13524), (1380, 13181), (1470, 12374), (1610, 11298), (1614, 11270), (1883, 9660), (1932, 9415), (2254, 8070), (2415, 7532), (2690, 6762), (2940, 6187), (3220, 5649), (3228, 5635), (3381, 5380), (3766, 4830), (4035, 4508)]