18470980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{743}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 42747264

約数和(自身を除く): 24276284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 743, 1130, 1243, 1486, 2260, 2486, 2972, 3715, 4972, 6215, 7430, 8173, 12430, 14860, 16346, 24860, 32692, 40865, 81730, 83959, 163460, 167918, 335836, 419795, 839590, 923549, 1679180, 1847098, 3694196, 4617745, 9235490, 18470980]

約数ペア:

[(1, 18470980), (2, 9235490), (4, 4617745), (5, 3694196), (10, 1847098), (11, 1679180), (20, 923549), (22, 839590), (44, 419795), (55, 335836), (110, 167918), (113, 163460), (220, 83959), (226, 81730), (452, 40865), (565, 32692), (743, 24860), (1130, 16346), (1243, 14860), (1486, 12430), (2260, 8173), (2486, 7430), (2972, 6215), (3715, 4972)]