18494140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2239}}^1$

素因数の和:2314

約数の個数: 48

約数和(自身を含む): 45158400

約数和(自身を除く): 26664260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 2239, 4130, 4478, 8260, 8956, 11195, 15673, 22390, 31346, 44780, 62692, 78365, 132101, 156730, 264202, 313460, 528404, 660505, 924707, 1321010, 1849414, 2642020, 3698828, 4623535, 9247070, 18494140]

約数ペア:

[(1, 18494140), (2, 9247070), (4, 4623535), (5, 3698828), (7, 2642020), (10, 1849414), (14, 1321010), (20, 924707), (28, 660505), (35, 528404), (59, 313460), (70, 264202), (118, 156730), (140, 132101), (236, 78365), (295, 62692), (413, 44780), (590, 31346), (826, 22390), (1180, 15673), (1652, 11195), (2065, 8956), (2239, 8260), (4130, 4478)]