19218264

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1987}}^1$

素因数の和:2040

約数の個数: 64

約数和(自身を含む): 53437440

約数和(自身を除く): 34219176

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 744, 806, 1209, 1612, 1987, 2418, 3224, 3974, 4836, 5961, 7948, 9672, 11922, 15896, 23844, 25831, 47688, 51662, 61597, 77493, 103324, 123194, 154986, 184791, 206648, 246388, 309972, 369582, 492776, 619944, 739164, 800761, 1478328, 1601522, 2402283, 3203044, 4804566, 6406088, 9609132, 19218264]

約数ペア:

[(1, 19218264), (2, 9609132), (3, 6406088), (4, 4804566), (6, 3203044), (8, 2402283), (12, 1601522), (13, 1478328), (24, 800761), (26, 739164), (31, 619944), (39, 492776), (52, 369582), (62, 309972), (78, 246388), (93, 206648), (104, 184791), (124, 154986), (156, 123194), (186, 103324), (248, 77493), (312, 61597), (372, 51662), (403, 47688), (744, 25831), (806, 23844), (1209, 15896), (1612, 11922), (1987, 9672), (2418, 7948), (3224, 5961), (3974, 4836)]