18896040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{52489}}^1$

素因数の和:52506

約数の個数: 48

約数和(自身を含む): 61413300

約数和(自身を除く): 42517260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 52489, 104978, 157467, 209956, 262445, 314934, 419912, 472401, 524890, 629868, 787335, 944802, 1049780, 1259736, 1574670, 1889604, 2099560, 2362005, 3149340, 3779208, 4724010, 6298680, 9448020, 18896040]

約数ペア:

[(1, 18896040), (2, 9448020), (3, 6298680), (4, 4724010), (5, 3779208), (6, 3149340), (8, 2362005), (9, 2099560), (10, 1889604), (12, 1574670), (15, 1259736), (18, 1049780), (20, 944802), (24, 787335), (30, 629868), (36, 524890), (40, 472401), (45, 419912), (60, 314934), (72, 262445), (90, 209956), (120, 157467), (180, 104978), (360, 52489)]