19677160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1523}}^1$

素因数の和:1570

約数の個数: 64

約数和(自身を含む): 49377600

約数和(自身を除く): 29700440

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1523, 1615, 2584, 3046, 3230, 6092, 6460, 7615, 12184, 12920, 15230, 25891, 28937, 30460, 51782, 57874, 60920, 103564, 115748, 129455, 144685, 207128, 231496, 258910, 289370, 491929, 517820, 578740, 983858, 1035640, 1157480, 1967716, 2459645, 3935432, 4919290, 9838580, 19677160]

約数ペア:

[(1, 19677160), (2, 9838580), (4, 4919290), (5, 3935432), (8, 2459645), (10, 1967716), (17, 1157480), (19, 1035640), (20, 983858), (34, 578740), (38, 517820), (40, 491929), (68, 289370), (76, 258910), (85, 231496), (95, 207128), (136, 144685), (152, 129455), (170, 115748), (190, 103564), (323, 60920), (340, 57874), (380, 51782), (646, 30460), (680, 28937), (760, 25891), (1292, 15230), (1523, 12920), (1615, 12184), (2584, 7615), (3046, 6460), (3230, 6092)]