18174880

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3917}}^1$

素因数の和:3961

約数の個数: 48

約数和(自身を含む): 44430120

約数和(自身を除く): 26255240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 3917, 4640, 7834, 15668, 19585, 31336, 39170, 62672, 78340, 113593, 125344, 156680, 227186, 313360, 454372, 567965, 626720, 908744, 1135930, 1817488, 2271860, 3634976, 4543720, 9087440, 18174880]

約数ペア:

[(1, 18174880), (2, 9087440), (4, 4543720), (5, 3634976), (8, 2271860), (10, 1817488), (16, 1135930), (20, 908744), (29, 626720), (32, 567965), (40, 454372), (58, 313360), (80, 227186), (116, 156680), (145, 125344), (160, 113593), (232, 78340), (290, 62672), (464, 39170), (580, 31336), (928, 19585), (1160, 15668), (2320, 7834), (3917, 4640)]