19689240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3491}}^1$

素因数の和:3552

約数の個数: 64

約数和(自身を含む): 60341760

約数和(自身を除く): 40652520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3491, 5640, 6982, 10473, 13964, 17455, 20946, 27928, 34910, 41892, 52365, 69820, 83784, 104730, 139640, 164077, 209460, 328154, 418920, 492231, 656308, 820385, 984462, 1312616, 1640770, 1968924, 2461155, 3281540, 3937848, 4922310, 6563080, 9844620, 19689240]

約数ペア:

[(1, 19689240), (2, 9844620), (3, 6563080), (4, 4922310), (5, 3937848), (6, 3281540), (8, 2461155), (10, 1968924), (12, 1640770), (15, 1312616), (20, 984462), (24, 820385), (30, 656308), (40, 492231), (47, 418920), (60, 328154), (94, 209460), (120, 164077), (141, 139640), (188, 104730), (235, 83784), (282, 69820), (376, 52365), (470, 41892), (564, 34910), (705, 27928), (940, 20946), (1128, 17455), (1410, 13964), (1880, 10473), (2820, 6982), (3491, 5640)]