18966180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 56770560

約数和(自身を除く): 37804380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 127, 131, 190, 228, 254, 262, 285, 380, 381, 393, 508, 524, 570, 635, 655, 762, 786, 1140, 1270, 1310, 1524, 1572, 1905, 1965, 2413, 2489, 2540, 2620, 3810, 3930, 4826, 4978, 7239, 7467, 7620, 7860, 9652, 9956, 12065, 12445, 14478, 14934, 16637, 24130, 24890, 28956, 29868, 33274, 36195, 37335, 48260, 49780, 49911, 66548, 72390, 74670, 83185, 99822, 144780, 149340, 166370, 199644, 249555, 316103, 332740, 499110, 632206, 948309, 998220, 1264412, 1580515, 1896618, 3161030, 3793236, 4741545, 6322060, 9483090, 18966180]

約数ペア:

[(1, 18966180), (2, 9483090), (3, 6322060), (4, 4741545), (5, 3793236), (6, 3161030), (10, 1896618), (12, 1580515), (15, 1264412), (19, 998220), (20, 948309), (30, 632206), (38, 499110), (57, 332740), (60, 316103), (76, 249555), (95, 199644), (114, 166370), (127, 149340), (131, 144780), (190, 99822), (228, 83185), (254, 74670), (262, 72390), (285, 66548), (380, 49911), (381, 49780), (393, 48260), (508, 37335), (524, 36195), (570, 33274), (635, 29868), (655, 28956), (762, 24890), (786, 24130), (1140, 16637), (1270, 14934), (1310, 14478), (1524, 12445), (1572, 12065), (1905, 9956), (1965, 9652), (2413, 7860), (2489, 7620), (2540, 7467), (2620, 7239), (3810, 4978), (3930, 4826)]