19350396

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 53202240

約数和(自身を除く): 33851844

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 173, 234, 239, 346, 468, 478, 519, 692, 717, 956, 1038, 1434, 1557, 2076, 2151, 2249, 2868, 3107, 3114, 4302, 4498, 6214, 6228, 6747, 8604, 8996, 9321, 12428, 13494, 18642, 20241, 26988, 27963, 37284, 40482, 41347, 55926, 80964, 82694, 111852, 124041, 165388, 248082, 372123, 496164, 537511, 744246, 1075022, 1488492, 1612533, 2150044, 3225066, 4837599, 6450132, 9675198, 19350396]

約数ペア:

[(1, 19350396), (2, 9675198), (3, 6450132), (4, 4837599), (6, 3225066), (9, 2150044), (12, 1612533), (13, 1488492), (18, 1075022), (26, 744246), (36, 537511), (39, 496164), (52, 372123), (78, 248082), (117, 165388), (156, 124041), (173, 111852), (234, 82694), (239, 80964), (346, 55926), (468, 41347), (478, 40482), (519, 37284), (692, 27963), (717, 26988), (956, 20241), (1038, 18642), (1434, 13494), (1557, 12428), (2076, 9321), (2151, 8996), (2249, 8604), (2868, 6747), (3107, 6228), (3114, 6214), (4302, 4498)]