1866940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^3\times {\mathrm{19}}^1$

素因数の和:79

約数の個数: 48

約数和(自身を含む): 4384800

約数和(自身を除く): 2517860

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 289, 323, 340, 380, 578, 646, 1156, 1292, 1445, 1615, 2890, 3230, 4913, 5491, 5780, 6460, 9826, 10982, 19652, 21964, 24565, 27455, 49130, 54910, 93347, 98260, 109820, 186694, 373388, 466735, 933470, 1866940]

約数ペア:

[(1, 1866940), (2, 933470), (4, 466735), (5, 373388), (10, 186694), (17, 109820), (19, 98260), (20, 93347), (34, 54910), (38, 49130), (68, 27455), (76, 24565), (85, 21964), (95, 19652), (170, 10982), (190, 9826), (289, 6460), (323, 5780), (340, 5491), (380, 4913), (578, 3230), (646, 2890), (1156, 1615), (1292, 1445)]