12357980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1913}}^1$

素因数の和:1958

約数の個数: 48

約数和(自身を含む): 28939680

約数和(自身を除く): 16581700

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 1913, 3230, 3826, 6460, 7652, 9565, 19130, 32521, 36347, 38260, 65042, 72694, 130084, 145388, 162605, 181735, 325210, 363470, 617899, 650420, 726940, 1235798, 2471596, 3089495, 6178990, 12357980]

約数ペア:

[(1, 12357980), (2, 6178990), (4, 3089495), (5, 2471596), (10, 1235798), (17, 726940), (19, 650420), (20, 617899), (34, 363470), (38, 325210), (68, 181735), (76, 162605), (85, 145388), (95, 130084), (170, 72694), (190, 65042), (323, 38260), (340, 36347), (380, 32521), (646, 19130), (1292, 9565), (1615, 7652), (1913, 6460), (3230, 3826)]