19417664

素因数分解:

$2^6\times 7^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:595

約数の個数: 56

約数和(自身を含む): 44622720

約数和(自身を除く): 25205056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 178, 224, 356, 448, 487, 623, 712, 974, 1246, 1424, 1948, 2492, 2848, 3409, 3896, 4984, 5696, 6818, 7792, 9968, 13636, 15584, 19936, 27272, 31168, 39872, 43343, 54544, 86686, 109088, 173372, 218176, 303401, 346744, 606802, 693488, 1213604, 1386976, 2427208, 2773952, 4854416, 9708832, 19417664]

約数ペア:

[(1, 19417664), (2, 9708832), (4, 4854416), (7, 2773952), (8, 2427208), (14, 1386976), (16, 1213604), (28, 693488), (32, 606802), (56, 346744), (64, 303401), (89, 218176), (112, 173372), (178, 109088), (224, 86686), (356, 54544), (448, 43343), (487, 39872), (623, 31168), (712, 27272), (974, 19936), (1246, 15584), (1424, 13636), (1948, 9968), (2492, 7792), (2848, 6818), (3409, 5696), (3896, 4984)]