19640736

素因数分解:

$2^5\times 3^2\times {\mathrm{47}}^1\times {\mathrm{1451}}^1$

素因数の和:1514

約数の個数: 72

約数和(自身を含む): 57081024

約数和(自身を除く): 37440288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 72, 94, 96, 141, 144, 188, 282, 288, 376, 423, 564, 752, 846, 1128, 1451, 1504, 1692, 2256, 2902, 3384, 4353, 4512, 5804, 6768, 8706, 11608, 13059, 13536, 17412, 23216, 26118, 34824, 46432, 52236, 68197, 69648, 104472, 136394, 139296, 204591, 208944, 272788, 409182, 417888, 545576, 613773, 818364, 1091152, 1227546, 1636728, 2182304, 2455092, 3273456, 4910184, 6546912, 9820368, 19640736]

約数ペア:

[(1, 19640736), (2, 9820368), (3, 6546912), (4, 4910184), (6, 3273456), (8, 2455092), (9, 2182304), (12, 1636728), (16, 1227546), (18, 1091152), (24, 818364), (32, 613773), (36, 545576), (47, 417888), (48, 409182), (72, 272788), (94, 208944), (96, 204591), (141, 139296), (144, 136394), (188, 104472), (282, 69648), (288, 68197), (376, 52236), (423, 46432), (564, 34824), (752, 26118), (846, 23216), (1128, 17412), (1451, 13536), (1504, 13059), (1692, 11608), (2256, 8706), (2902, 6768), (3384, 5804), (4353, 4512)]