19685880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{367}}^1$

素因数の和:533

約数の個数: 96

約数和(自身を含む): 64584000

約数和(自身を除く): 44898120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 149, 180, 298, 360, 367, 447, 596, 734, 745, 894, 1101, 1192, 1341, 1468, 1490, 1788, 1835, 2202, 2235, 2682, 2936, 2980, 3303, 3576, 3670, 4404, 4470, 5364, 5505, 5960, 6606, 6705, 7340, 8808, 8940, 10728, 11010, 13212, 13410, 14680, 16515, 17880, 22020, 26424, 26820, 33030, 44040, 53640, 54683, 66060, 109366, 132120, 164049, 218732, 273415, 328098, 437464, 492147, 546830, 656196, 820245, 984294, 1093660, 1312392, 1640490, 1968588, 2187320, 2460735, 3280980, 3937176, 4921470, 6561960, 9842940, 19685880]

約数ペア:

[(1, 19685880), (2, 9842940), (3, 6561960), (4, 4921470), (5, 3937176), (6, 3280980), (8, 2460735), (9, 2187320), (10, 1968588), (12, 1640490), (15, 1312392), (18, 1093660), (20, 984294), (24, 820245), (30, 656196), (36, 546830), (40, 492147), (45, 437464), (60, 328098), (72, 273415), (90, 218732), (120, 164049), (149, 132120), (180, 109366), (298, 66060), (360, 54683), (367, 53640), (447, 44040), (596, 33030), (734, 26820), (745, 26424), (894, 22020), (1101, 17880), (1192, 16515), (1341, 14680), (1468, 13410), (1490, 13212), (1788, 11010), (1835, 10728), (2202, 8940), (2235, 8808), (2682, 7340), (2936, 6705), (2980, 6606), (3303, 5960), (3576, 5505), (3670, 5364), (4404, 4470)]