18862980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6689}}^1$

素因数の和:6748

約数の個数: 48

約数和(自身を含む): 53948160

約数和(自身を除く): 35085180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 6689, 13378, 20067, 26756, 33445, 40134, 66890, 80268, 100335, 133780, 200670, 314383, 401340, 628766, 943149, 1257532, 1571915, 1886298, 3143830, 3772596, 4715745, 6287660, 9431490, 18862980]

約数ペア:

[(1, 18862980), (2, 9431490), (3, 6287660), (4, 4715745), (5, 3772596), (6, 3143830), (10, 1886298), (12, 1571915), (15, 1257532), (20, 943149), (30, 628766), (47, 401340), (60, 314383), (94, 200670), (141, 133780), (188, 100335), (235, 80268), (282, 66890), (470, 40134), (564, 33445), (705, 26756), (940, 20067), (1410, 13378), (2820, 6689)]