18941208

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5519}}^1$

素因数の和:5552

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 36700392

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 264, 286, 312, 429, 572, 858, 1144, 1716, 3432, 5519, 11038, 16557, 22076, 33114, 44152, 60709, 66228, 71747, 121418, 132456, 143494, 182127, 215241, 242836, 286988, 364254, 430482, 485672, 573976, 728508, 789217, 860964, 1457016, 1578434, 1721928, 2367651, 3156868, 4735302, 6313736, 9470604, 18941208]

約数ペア:

[(1, 18941208), (2, 9470604), (3, 6313736), (4, 4735302), (6, 3156868), (8, 2367651), (11, 1721928), (12, 1578434), (13, 1457016), (22, 860964), (24, 789217), (26, 728508), (33, 573976), (39, 485672), (44, 430482), (52, 364254), (66, 286988), (78, 242836), (88, 215241), (104, 182127), (132, 143494), (143, 132456), (156, 121418), (264, 71747), (286, 66228), (312, 60709), (429, 44152), (572, 33114), (858, 22076), (1144, 16557), (1716, 11038), (3432, 5519)]