18764616

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 51004800

約数和(自身を除く): 32240184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 137, 156, 274, 312, 411, 439, 548, 822, 878, 1096, 1317, 1644, 1756, 1781, 2634, 3288, 3512, 3562, 5268, 5343, 5707, 7124, 10536, 10686, 11414, 14248, 17121, 21372, 22828, 34242, 42744, 45656, 60143, 68484, 120286, 136968, 180429, 240572, 360858, 481144, 721716, 781859, 1443432, 1563718, 2345577, 3127436, 4691154, 6254872, 9382308, 18764616]

約数ペア:

[(1, 18764616), (2, 9382308), (3, 6254872), (4, 4691154), (6, 3127436), (8, 2345577), (12, 1563718), (13, 1443432), (24, 781859), (26, 721716), (39, 481144), (52, 360858), (78, 240572), (104, 180429), (137, 136968), (156, 120286), (274, 68484), (312, 60143), (411, 45656), (439, 42744), (548, 34242), (822, 22828), (878, 21372), (1096, 17121), (1317, 14248), (1644, 11414), (1756, 10686), (1781, 10536), (2634, 7124), (3288, 5707), (3512, 5343), (3562, 5268)]