18017960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26497}}^1$

素因数の和:26525

約数の個数: 32

約数和(自身を含む): 42926760

約数和(自身を除く): 24908800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 26497, 52994, 105988, 132485, 211976, 264970, 450449, 529940, 900898, 1059880, 1801796, 2252245, 3603592, 4504490, 9008980, 18017960]

約数ペア:

[(1, 18017960), (2, 9008980), (4, 4504490), (5, 3603592), (8, 2252245), (10, 1801796), (17, 1059880), (20, 900898), (34, 529940), (40, 450449), (68, 264970), (85, 211976), (136, 132485), (170, 105988), (340, 52994), (680, 26497)]