18913636

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{683}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 40449024

約数和(自身を除く): 21535388

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 86, 92, 161, 172, 301, 322, 602, 644, 683, 989, 1204, 1366, 1978, 2732, 3956, 4781, 6923, 9562, 13846, 15709, 19124, 27692, 29369, 31418, 58738, 62836, 109963, 117476, 205583, 219926, 411166, 439852, 675487, 822332, 1350974, 2701948, 4728409, 9456818, 18913636]

約数ペア:

[(1, 18913636), (2, 9456818), (4, 4728409), (7, 2701948), (14, 1350974), (23, 822332), (28, 675487), (43, 439852), (46, 411166), (86, 219926), (92, 205583), (161, 117476), (172, 109963), (301, 62836), (322, 58738), (602, 31418), (644, 29369), (683, 27692), (989, 19124), (1204, 15709), (1366, 13846), (1978, 9562), (2732, 6923), (3956, 4781)]