19427880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8521}}^1$

素因数の和:8554

約数の個数: 64

約数和(自身を含む): 61358400

約数和(自身を除く): 41930520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 8521, 17042, 25563, 34084, 42605, 51126, 68168, 85210, 102252, 127815, 161899, 170420, 204504, 255630, 323798, 340840, 485697, 511260, 647596, 809495, 971394, 1022520, 1295192, 1618990, 1942788, 2428485, 3237980, 3885576, 4856970, 6475960, 9713940, 19427880]

約数ペア:

[(1, 19427880), (2, 9713940), (3, 6475960), (4, 4856970), (5, 3885576), (6, 3237980), (8, 2428485), (10, 1942788), (12, 1618990), (15, 1295192), (19, 1022520), (20, 971394), (24, 809495), (30, 647596), (38, 511260), (40, 485697), (57, 340840), (60, 323798), (76, 255630), (95, 204504), (114, 170420), (120, 161899), (152, 127815), (190, 102252), (228, 85210), (285, 68168), (380, 51126), (456, 42605), (570, 34084), (760, 25563), (1140, 17042), (2280, 8521)]