19658736

素因数分解:

$2^4\times 3^2\times {\mathrm{136519}}^1$

素因数の和:136533

約数の個数: 30

約数和(自身を含む): 55017560

約数和(自身を除く): 35358824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 136519, 273038, 409557, 546076, 819114, 1092152, 1228671, 1638228, 2184304, 2457342, 3276456, 4914684, 6552912, 9829368, 19658736]

約数ペア:

[(1, 19658736), (2, 9829368), (3, 6552912), (4, 4914684), (6, 3276456), (8, 2457342), (9, 2184304), (12, 1638228), (16, 1228671), (18, 1092152), (24, 819114), (36, 546076), (48, 409557), (72, 273038), (144, 136519)]