19876440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2269}}^1$

素因数の和:2356

約数の個数: 64

約数和(自身を含む): 60472800

約数和(自身を除く): 40596360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2190, 2269, 2920, 4380, 4538, 6807, 8760, 9076, 11345, 13614, 18152, 22690, 27228, 34035, 45380, 54456, 68070, 90760, 136140, 165637, 272280, 331274, 496911, 662548, 828185, 993822, 1325096, 1656370, 1987644, 2484555, 3312740, 3975288, 4969110, 6625480, 9938220, 19876440]

約数ペア:

[(1, 19876440), (2, 9938220), (3, 6625480), (4, 4969110), (5, 3975288), (6, 3312740), (8, 2484555), (10, 1987644), (12, 1656370), (15, 1325096), (20, 993822), (24, 828185), (30, 662548), (40, 496911), (60, 331274), (73, 272280), (120, 165637), (146, 136140), (219, 90760), (292, 68070), (365, 54456), (438, 45380), (584, 34035), (730, 27228), (876, 22690), (1095, 18152), (1460, 13614), (1752, 11345), (2190, 9076), (2269, 8760), (2920, 6807), (4380, 4538)]