18967832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{673}}^1$

素因数の和:963

約数の個数: 32

約数和(自身を含む): 38498880

約数和(自身を除く): 19531048

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 271, 542, 673, 1084, 1346, 2168, 2692, 3523, 5384, 7046, 8749, 14092, 17498, 28184, 34996, 69992, 182383, 364766, 729532, 1459064, 2370979, 4741958, 9483916, 18967832]

約数ペア:

[(1, 18967832), (2, 9483916), (4, 4741958), (8, 2370979), (13, 1459064), (26, 729532), (52, 364766), (104, 182383), (271, 69992), (542, 34996), (673, 28184), (1084, 17498), (1346, 14092), (2168, 8749), (2692, 7046), (3523, 5384)]