19395640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2593}}^1$

素因数の和:2632

約数の個数: 64

約数和(自身を含む): 50427360

約数和(自身を除く): 31031720

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 2593, 3740, 5186, 7480, 10372, 12965, 20744, 25930, 28523, 44081, 51860, 57046, 88162, 103720, 114092, 142615, 176324, 220405, 228184, 285230, 352648, 440810, 484891, 570460, 881620, 969782, 1140920, 1763240, 1939564, 2424455, 3879128, 4848910, 9697820, 19395640]

約数ペア:

[(1, 19395640), (2, 9697820), (4, 4848910), (5, 3879128), (8, 2424455), (10, 1939564), (11, 1763240), (17, 1140920), (20, 969782), (22, 881620), (34, 570460), (40, 484891), (44, 440810), (55, 352648), (68, 285230), (85, 228184), (88, 220405), (110, 176324), (136, 142615), (170, 114092), (187, 103720), (220, 88162), (340, 57046), (374, 51860), (440, 44081), (680, 28523), (748, 25930), (935, 20744), (1496, 12965), (1870, 10372), (2593, 7480), (3740, 5186)]