18945090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1269

約数の個数: 80

約数和(自身を含む): 53665920

約数和(自身を除く): 34720830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 81, 90, 95, 114, 135, 162, 171, 190, 270, 285, 342, 405, 513, 570, 810, 855, 1026, 1231, 1539, 1710, 2462, 2565, 3078, 3693, 5130, 6155, 7386, 7695, 11079, 12310, 15390, 18465, 22158, 23389, 33237, 36930, 46778, 55395, 66474, 70167, 99711, 110790, 116945, 140334, 166185, 199422, 210501, 233890, 332370, 350835, 421002, 498555, 631503, 701670, 997110, 1052505, 1263006, 1894509, 2105010, 3157515, 3789018, 6315030, 9472545, 18945090]

約数ペア:

[(1, 18945090), (2, 9472545), (3, 6315030), (5, 3789018), (6, 3157515), (9, 2105010), (10, 1894509), (15, 1263006), (18, 1052505), (19, 997110), (27, 701670), (30, 631503), (38, 498555), (45, 421002), (54, 350835), (57, 332370), (81, 233890), (90, 210501), (95, 199422), (114, 166185), (135, 140334), (162, 116945), (171, 110790), (190, 99711), (270, 70167), (285, 66474), (342, 55395), (405, 46778), (513, 36930), (570, 33237), (810, 23389), (855, 22158), (1026, 18465), (1231, 15390), (1539, 12310), (1710, 11079), (2462, 7695), (2565, 7386), (3078, 6155), (3693, 5130)]