18853944

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 49420800

約数和(自身を除く): 30566856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 87, 103, 116, 174, 206, 232, 263, 309, 348, 412, 526, 618, 696, 789, 824, 1052, 1236, 1578, 2104, 2472, 2987, 3156, 5974, 6312, 7627, 8961, 11948, 15254, 17922, 22881, 23896, 27089, 30508, 35844, 45762, 54178, 61016, 71688, 81267, 91524, 108356, 162534, 183048, 216712, 325068, 650136, 785581, 1571162, 2356743, 3142324, 4713486, 6284648, 9426972, 18853944]

約数ペア:

[(1, 18853944), (2, 9426972), (3, 6284648), (4, 4713486), (6, 3142324), (8, 2356743), (12, 1571162), (24, 785581), (29, 650136), (58, 325068), (87, 216712), (103, 183048), (116, 162534), (174, 108356), (206, 91524), (232, 81267), (263, 71688), (309, 61016), (348, 54178), (412, 45762), (526, 35844), (618, 30508), (696, 27089), (789, 23896), (824, 22881), (1052, 17922), (1236, 15254), (1578, 11948), (2104, 8961), (2472, 7627), (2987, 6312), (3156, 5974)]