19958724

素因数分解:

$2^2\times 3^4\times {\mathrm{229}}^1\times {\mathrm{269}}^1$

素因数の和:514

約数の個数: 60

約数和(自身を含む): 52598700

約数和(自身を除く): 32639976

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 229, 269, 324, 458, 538, 687, 807, 916, 1076, 1374, 1614, 2061, 2421, 2748, 3228, 4122, 4842, 6183, 7263, 8244, 9684, 12366, 14526, 18549, 21789, 24732, 29052, 37098, 43578, 61601, 74196, 87156, 123202, 184803, 246404, 369606, 554409, 739212, 1108818, 1663227, 2217636, 3326454, 4989681, 6652908, 9979362, 19958724]

約数ペア:

[(1, 19958724), (2, 9979362), (3, 6652908), (4, 4989681), (6, 3326454), (9, 2217636), (12, 1663227), (18, 1108818), (27, 739212), (36, 554409), (54, 369606), (81, 246404), (108, 184803), (162, 123202), (229, 87156), (269, 74196), (324, 61601), (458, 43578), (538, 37098), (687, 29052), (807, 24732), (916, 21789), (1076, 18549), (1374, 14526), (1614, 12366), (2061, 9684), (2421, 8244), (2748, 7263), (3228, 6183), (4122, 4842)]