18251640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{419}}^1$

素因数の和:458

約数の個数: 144

約数和(自身を含む): 65356200

約数和(自身を除く): 47104560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 419, 440, 484, 495, 605, 660, 726, 792, 838, 968, 990, 1089, 1210, 1257, 1320, 1452, 1676, 1815, 1980, 2095, 2178, 2420, 2514, 2904, 3352, 3630, 3771, 3960, 4190, 4356, 4609, 4840, 5028, 5445, 6285, 7260, 7542, 8380, 8712, 9218, 10056, 10890, 12570, 13827, 14520, 15084, 16760, 18436, 18855, 21780, 23045, 25140, 27654, 30168, 36872, 37710, 41481, 43560, 46090, 50280, 50699, 55308, 69135, 75420, 82962, 92180, 101398, 110616, 138270, 150840, 152097, 165924, 184360, 202796, 207405, 253495, 276540, 304194, 331848, 405592, 414810, 456291, 506990, 553080, 608388, 760485, 829620, 912582, 1013980, 1216776, 1520970, 1659240, 1825164, 2027960, 2281455, 3041940, 3650328, 4562910, 6083880, 9125820, 18251640]

約数ペア:

[(1, 18251640), (2, 9125820), (3, 6083880), (4, 4562910), (5, 3650328), (6, 3041940), (8, 2281455), (9, 2027960), (10, 1825164), (11, 1659240), (12, 1520970), (15, 1216776), (18, 1013980), (20, 912582), (22, 829620), (24, 760485), (30, 608388), (33, 553080), (36, 506990), (40, 456291), (44, 414810), (45, 405592), (55, 331848), (60, 304194), (66, 276540), (72, 253495), (88, 207405), (90, 202796), (99, 184360), (110, 165924), (120, 152097), (121, 150840), (132, 138270), (165, 110616), (180, 101398), (198, 92180), (220, 82962), (242, 75420), (264, 69135), (330, 55308), (360, 50699), (363, 50280), (396, 46090), (419, 43560), (440, 41481), (484, 37710), (495, 36872), (605, 30168), (660, 27654), (726, 25140), (792, 23045), (838, 21780), (968, 18855), (990, 18436), (1089, 16760), (1210, 15084), (1257, 14520), (1320, 13827), (1452, 12570), (1676, 10890), (1815, 10056), (1980, 9218), (2095, 8712), (2178, 8380), (2420, 7542), (2514, 7260), (2904, 6285), (3352, 5445), (3630, 5028), (3771, 4840), (3960, 4609), (4190, 4356)]