18956513784

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{12919}}^1\times {\mathrm{4703}}^1$

素因数の和:17644

約数の個数: 64

約数和(自身を含む): 51051571200

約数和(自身を除く): 32095057416

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 4703, 9406, 12919, 14109, 18812, 25838, 28218, 37624, 38757, 51676, 56436, 61139, 77514, 103352, 112872, 122278, 155028, 167947, 183417, 244556, 310056, 335894, 366834, 489112, 503841, 671788, 733668, 1007682, 1343576, 1467336, 2015364, 4030728, 60758057, 121516114, 182274171, 243032228, 364548342, 486064456, 729096684, 789854741, 1458193368, 1579709482, 2369564223, 3159418964, 4739128446, 6318837928, 9478256892, 18956513784]

約数ペア:

[(1, 18956513784), (2, 9478256892), (3, 6318837928), (4, 4739128446), (6, 3159418964), (8, 2369564223), (12, 1579709482), (13, 1458193368), (24, 789854741), (26, 729096684), (39, 486064456), (52, 364548342), (78, 243032228), (104, 182274171), (156, 121516114), (312, 60758057), (4703, 4030728), (9406, 2015364), (12919, 1467336), (14109, 1343576), (18812, 1007682), (25838, 733668), (28218, 671788), (37624, 503841), (38757, 489112), (51676, 366834), (56436, 335894), (61139, 310056), (77514, 244556), (103352, 183417), (112872, 167947), (122278, 155028)]