18738060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 60328800

約数和(自身を除く): 41590740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 29, 30, 33, 44, 55, 58, 60, 66, 87, 89, 110, 116, 121, 132, 145, 165, 174, 178, 220, 242, 267, 290, 319, 330, 348, 356, 363, 435, 445, 484, 534, 580, 605, 638, 660, 726, 870, 890, 957, 979, 1068, 1210, 1276, 1335, 1452, 1595, 1740, 1780, 1815, 1914, 1958, 2420, 2581, 2670, 2937, 3190, 3509, 3630, 3828, 3916, 4785, 4895, 5162, 5340, 5874, 6380, 7018, 7260, 7743, 9570, 9790, 10324, 10527, 10769, 11748, 12905, 14036, 14685, 15486, 17545, 19140, 19580, 21054, 21538, 25810, 28391, 29370, 30972, 32307, 35090, 38715, 42108, 43076, 51620, 52635, 53845, 56782, 58740, 64614, 70180, 77430, 85173, 105270, 107690, 113564, 129228, 141955, 154860, 161535, 170346, 210540, 215380, 283910, 312301, 323070, 340692, 425865, 567820, 624602, 646140, 851730, 936903, 1249204, 1561505, 1703460, 1873806, 3123010, 3747612, 4684515, 6246020, 9369030, 18738060]

約数ペア:

[(1, 18738060), (2, 9369030), (3, 6246020), (4, 4684515), (5, 3747612), (6, 3123010), (10, 1873806), (11, 1703460), (12, 1561505), (15, 1249204), (20, 936903), (22, 851730), (29, 646140), (30, 624602), (33, 567820), (44, 425865), (55, 340692), (58, 323070), (60, 312301), (66, 283910), (87, 215380), (89, 210540), (110, 170346), (116, 161535), (121, 154860), (132, 141955), (145, 129228), (165, 113564), (174, 107690), (178, 105270), (220, 85173), (242, 77430), (267, 70180), (290, 64614), (319, 58740), (330, 56782), (348, 53845), (356, 52635), (363, 51620), (435, 43076), (445, 42108), (484, 38715), (534, 35090), (580, 32307), (605, 30972), (638, 29370), (660, 28391), (726, 25810), (870, 21538), (890, 21054), (957, 19580), (979, 19140), (1068, 17545), (1210, 15486), (1276, 14685), (1335, 14036), (1452, 12905), (1595, 11748), (1740, 10769), (1780, 10527), (1815, 10324), (1914, 9790), (1958, 9570), (2420, 7743), (2581, 7260), (2670, 7018), (2937, 6380), (3190, 5874), (3509, 5340), (3630, 5162), (3828, 4895), (3916, 4785)]