19872632

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 43092000

約数和(自身を除く): 23219368

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 89, 104, 113, 152, 178, 226, 247, 356, 452, 494, 712, 904, 988, 1157, 1469, 1691, 1976, 2147, 2314, 2938, 3382, 4294, 4628, 5876, 6764, 8588, 9256, 10057, 11752, 13528, 17176, 20114, 21983, 27911, 40228, 43966, 55822, 80456, 87932, 111644, 130741, 175864, 191083, 223288, 261482, 382166, 522964, 764332, 1045928, 1528664, 2484079, 4968158, 9936316, 19872632]

約数ペア:

[(1, 19872632), (2, 9936316), (4, 4968158), (8, 2484079), (13, 1528664), (19, 1045928), (26, 764332), (38, 522964), (52, 382166), (76, 261482), (89, 223288), (104, 191083), (113, 175864), (152, 130741), (178, 111644), (226, 87932), (247, 80456), (356, 55822), (452, 43966), (494, 40228), (712, 27911), (904, 21983), (988, 20114), (1157, 17176), (1469, 13528), (1691, 11752), (1976, 10057), (2147, 9256), (2314, 8588), (2938, 6764), (3382, 5876), (4294, 4628)]