19033880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1217}}^1$

素因数の和:1268

約数の個数: 64

約数和(自身を含む): 47355840

約数和(自身を除く): 28321960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 230, 340, 391, 460, 680, 782, 920, 1217, 1564, 1955, 2434, 3128, 3910, 4868, 6085, 7820, 9736, 12170, 15640, 20689, 24340, 27991, 41378, 48680, 55982, 82756, 103445, 111964, 139955, 165512, 206890, 223928, 279910, 413780, 475847, 559820, 827560, 951694, 1119640, 1903388, 2379235, 3806776, 4758470, 9516940, 19033880]

約数ペア:

[(1, 19033880), (2, 9516940), (4, 4758470), (5, 3806776), (8, 2379235), (10, 1903388), (17, 1119640), (20, 951694), (23, 827560), (34, 559820), (40, 475847), (46, 413780), (68, 279910), (85, 223928), (92, 206890), (115, 165512), (136, 139955), (170, 111964), (184, 103445), (230, 82756), (340, 55982), (391, 48680), (460, 41378), (680, 27991), (782, 24340), (920, 20689), (1217, 15640), (1564, 12170), (1955, 9736), (2434, 7820), (3128, 6085), (3910, 4868)]