19042750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^2\times {\mathrm{211}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 37801296

約数和(自身を除く): 18758546

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 211, 250, 361, 422, 475, 722, 950, 1055, 1805, 2110, 2375, 3610, 4009, 4750, 5275, 8018, 9025, 10550, 18050, 20045, 26375, 40090, 45125, 52750, 76171, 90250, 100225, 152342, 200450, 380855, 501125, 761710, 1002250, 1904275, 3808550, 9521375, 19042750]

約数ペア:

[(1, 19042750), (2, 9521375), (5, 3808550), (10, 1904275), (19, 1002250), (25, 761710), (38, 501125), (50, 380855), (95, 200450), (125, 152342), (190, 100225), (211, 90250), (250, 76171), (361, 52750), (422, 45125), (475, 40090), (722, 26375), (950, 20045), (1055, 18050), (1805, 10550), (2110, 9025), (2375, 8018), (3610, 5275), (4009, 4750)]