18578580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:453

約数の個数: 96

約数和(自身を含む): 56179200

約数和(自身を除く): 37600620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 43, 57, 60, 76, 86, 95, 114, 129, 172, 190, 215, 228, 258, 285, 379, 380, 430, 516, 570, 645, 758, 817, 860, 1137, 1140, 1290, 1516, 1634, 1895, 2274, 2451, 2580, 3268, 3790, 4085, 4548, 4902, 5685, 7201, 7580, 8170, 9804, 11370, 12255, 14402, 16297, 16340, 21603, 22740, 24510, 28804, 32594, 36005, 43206, 48891, 49020, 65188, 72010, 81485, 86412, 97782, 108015, 144020, 162970, 195564, 216030, 244455, 309643, 325940, 432060, 488910, 619286, 928929, 977820, 1238572, 1548215, 1857858, 3096430, 3715716, 4644645, 6192860, 9289290, 18578580]

約数ペア:

[(1, 18578580), (2, 9289290), (3, 6192860), (4, 4644645), (5, 3715716), (6, 3096430), (10, 1857858), (12, 1548215), (15, 1238572), (19, 977820), (20, 928929), (30, 619286), (38, 488910), (43, 432060), (57, 325940), (60, 309643), (76, 244455), (86, 216030), (95, 195564), (114, 162970), (129, 144020), (172, 108015), (190, 97782), (215, 86412), (228, 81485), (258, 72010), (285, 65188), (379, 49020), (380, 48891), (430, 43206), (516, 36005), (570, 32594), (645, 28804), (758, 24510), (817, 22740), (860, 21603), (1137, 16340), (1140, 16297), (1290, 14402), (1516, 12255), (1634, 11370), (1895, 9804), (2274, 8170), (2451, 7580), (2580, 7201), (3268, 5685), (3790, 4902), (4085, 4548)]