19318518

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:517

約数の個数: 48

約数和(自身を含む): 43804800

約数和(自身を除く): 24486282

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 89, 93, 178, 186, 267, 279, 389, 534, 558, 778, 801, 1167, 1602, 2334, 2759, 3501, 5518, 7002, 8277, 12059, 16554, 24118, 24831, 34621, 36177, 49662, 69242, 72354, 103863, 108531, 207726, 217062, 311589, 623178, 1073251, 2146502, 3219753, 6439506, 9659259, 19318518]

約数ペア:

[(1, 19318518), (2, 9659259), (3, 6439506), (6, 3219753), (9, 2146502), (18, 1073251), (31, 623178), (62, 311589), (89, 217062), (93, 207726), (178, 108531), (186, 103863), (267, 72354), (279, 69242), (389, 49662), (534, 36177), (558, 34621), (778, 24831), (801, 24118), (1167, 16554), (1602, 12059), (2334, 8277), (2759, 7002), (3501, 5518)]