18495720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{619}}^1$

素因数の和:719

約数の個数: 96

約数和(自身を含む): 60933600

約数和(自身を除く): 42437880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 83, 90, 120, 166, 180, 249, 332, 360, 415, 498, 619, 664, 747, 830, 996, 1238, 1245, 1494, 1660, 1857, 1992, 2476, 2490, 2988, 3095, 3320, 3714, 3735, 4952, 4980, 5571, 5976, 6190, 7428, 7470, 9285, 9960, 11142, 12380, 14856, 14940, 18570, 22284, 24760, 27855, 29880, 37140, 44568, 51377, 55710, 74280, 102754, 111420, 154131, 205508, 222840, 256885, 308262, 411016, 462393, 513770, 616524, 770655, 924786, 1027540, 1233048, 1541310, 1849572, 2055080, 2311965, 3082620, 3699144, 4623930, 6165240, 9247860, 18495720]

約数ペア:

[(1, 18495720), (2, 9247860), (3, 6165240), (4, 4623930), (5, 3699144), (6, 3082620), (8, 2311965), (9, 2055080), (10, 1849572), (12, 1541310), (15, 1233048), (18, 1027540), (20, 924786), (24, 770655), (30, 616524), (36, 513770), (40, 462393), (45, 411016), (60, 308262), (72, 256885), (83, 222840), (90, 205508), (120, 154131), (166, 111420), (180, 102754), (249, 74280), (332, 55710), (360, 51377), (415, 44568), (498, 37140), (619, 29880), (664, 27855), (747, 24760), (830, 22284), (996, 18570), (1238, 14940), (1245, 14856), (1494, 12380), (1660, 11142), (1857, 9960), (1992, 9285), (2476, 7470), (2490, 7428), (2988, 6190), (3095, 5976), (3320, 5571), (3714, 4980), (3735, 4952)]