18923240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3557}}^1$

素因数の和:3594

約数の個数: 64

約数和(自身を含む): 51235200

約数和(自身を除く): 32311960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 3557, 5320, 7114, 14228, 17785, 24899, 28456, 35570, 49798, 67583, 71140, 99596, 124495, 135166, 142280, 199192, 248990, 270332, 337915, 473081, 497980, 540664, 675830, 946162, 995960, 1351660, 1892324, 2365405, 2703320, 3784648, 4730810, 9461620, 18923240]

約数ペア:

[(1, 18923240), (2, 9461620), (4, 4730810), (5, 3784648), (7, 2703320), (8, 2365405), (10, 1892324), (14, 1351660), (19, 995960), (20, 946162), (28, 675830), (35, 540664), (38, 497980), (40, 473081), (56, 337915), (70, 270332), (76, 248990), (95, 199192), (133, 142280), (140, 135166), (152, 124495), (190, 99596), (266, 71140), (280, 67583), (380, 49798), (532, 35570), (665, 28456), (760, 24899), (1064, 17785), (1330, 14228), (2660, 7114), (3557, 5320)]