17981455548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{659}}^1\times {\mathrm{2069}}^1$

素因数の和:2899

約数の個数: 96

約数和(自身を含む): 48352550400

約数和(自身を除く): 30371094852

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 157, 314, 471, 628, 659, 942, 1099, 1318, 1884, 1977, 2069, 2198, 2636, 3297, 3954, 4138, 4396, 4613, 6207, 6594, 7908, 8276, 9226, 12414, 13188, 13839, 14483, 18452, 24828, 27678, 28966, 43449, 55356, 57932, 86898, 103463, 173796, 206926, 310389, 324833, 413852, 620778, 649666, 724241, 974499, 1241556, 1299332, 1363471, 1448482, 1948998, 2172723, 2273831, 2726942, 2896964, 3897996, 4090413, 4345446, 4547662, 5453884, 6821493, 8180826, 8690892, 9095324, 9544297, 13642986, 16361652, 19088594, 27285972, 28632891, 38177188, 57265782, 114531564, 214064947, 428129894, 642194841, 856259788, 1284389682, 1498454629, 2568779364, 2996909258, 4495363887, 5993818516, 8990727774, 17981455548]

約数ペア:

[(1, 17981455548), (2, 8990727774), (3, 5993818516), (4, 4495363887), (6, 2996909258), (7, 2568779364), (12, 1498454629), (14, 1284389682), (21, 856259788), (28, 642194841), (42, 428129894), (84, 214064947), (157, 114531564), (314, 57265782), (471, 38177188), (628, 28632891), (659, 27285972), (942, 19088594), (1099, 16361652), (1318, 13642986), (1884, 9544297), (1977, 9095324), (2069, 8690892), (2198, 8180826), (2636, 6821493), (3297, 5453884), (3954, 4547662), (4138, 4345446), (4396, 4090413), (4613, 3897996), (6207, 2896964), (6594, 2726942), (7908, 2273831), (8276, 2172723), (9226, 1948998), (12414, 1448482), (13188, 1363471), (13839, 1299332), (14483, 1241556), (18452, 974499), (24828, 724241), (27678, 649666), (28966, 620778), (43449, 413852), (55356, 324833), (57932, 310389), (86898, 206926), (103463, 173796)]