18156476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 96

約数和(自身を含む): 40642560

約数和(自身を除く): 22486084

約数列:

[1, 2, 4, 13, 17, 19, 23, 26, 34, 38, 46, 47, 52, 68, 76, 92, 94, 188, 221, 247, 299, 323, 391, 437, 442, 494, 598, 611, 646, 782, 799, 874, 884, 893, 988, 1081, 1196, 1222, 1292, 1564, 1598, 1748, 1786, 2162, 2444, 3196, 3572, 4199, 4324, 5083, 5681, 7429, 8398, 10166, 10387, 11362, 11609, 14053, 14858, 15181, 16796, 18377, 20332, 20539, 20774, 22724, 23218, 28106, 29716, 30362, 36754, 41078, 41548, 46436, 56212, 60724, 73508, 82156, 96577, 193154, 197353, 238901, 267007, 349163, 386308, 394706, 477802, 534014, 698326, 789412, 955604, 1068028, 1396652, 4539119, 9078238, 18156476]

約数ペア:

[(1, 18156476), (2, 9078238), (4, 4539119), (13, 1396652), (17, 1068028), (19, 955604), (23, 789412), (26, 698326), (34, 534014), (38, 477802), (46, 394706), (47, 386308), (52, 349163), (68, 267007), (76, 238901), (92, 197353), (94, 193154), (188, 96577), (221, 82156), (247, 73508), (299, 60724), (323, 56212), (391, 46436), (437, 41548), (442, 41078), (494, 36754), (598, 30362), (611, 29716), (646, 28106), (782, 23218), (799, 22724), (874, 20774), (884, 20539), (893, 20332), (988, 18377), (1081, 16796), (1196, 15181), (1222, 14858), (1292, 14053), (1564, 11609), (1598, 11362), (1748, 10387), (1786, 10166), (2162, 8398), (2444, 7429), (3196, 5681), (3572, 5083), (4199, 4324)]