19431420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{337}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 56386512

約数和(自身を除く): 36955092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 337, 372, 465, 620, 674, 930, 961, 1011, 1348, 1685, 1860, 1922, 2022, 2883, 3370, 3844, 4044, 4805, 5055, 5766, 6740, 9610, 10110, 10447, 11532, 14415, 19220, 20220, 20894, 28830, 31341, 41788, 52235, 57660, 62682, 104470, 125364, 156705, 208940, 313410, 323857, 626820, 647714, 971571, 1295428, 1619285, 1943142, 3238570, 3886284, 4857855, 6477140, 9715710, 19431420]

約数ペア:

[(1, 19431420), (2, 9715710), (3, 6477140), (4, 4857855), (5, 3886284), (6, 3238570), (10, 1943142), (12, 1619285), (15, 1295428), (20, 971571), (30, 647714), (31, 626820), (60, 323857), (62, 313410), (93, 208940), (124, 156705), (155, 125364), (186, 104470), (310, 62682), (337, 57660), (372, 52235), (465, 41788), (620, 31341), (674, 28830), (930, 20894), (961, 20220), (1011, 19220), (1348, 14415), (1685, 11532), (1860, 10447), (1922, 10110), (2022, 9610), (2883, 6740), (3370, 5766), (3844, 5055), (4044, 4805)]