18881964

素因数分解:

$2^2\times 3^3\times {\mathrm{359}}^1\times {\mathrm{487}}^1$

素因数の和:859

約数の個数: 48

約数和(自身を含む): 49190400

約数和(自身を除く): 30308436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 359, 487, 718, 974, 1077, 1436, 1461, 1948, 2154, 2922, 3231, 4308, 4383, 5844, 6462, 8766, 9693, 12924, 13149, 17532, 19386, 26298, 38772, 52596, 174833, 349666, 524499, 699332, 1048998, 1573497, 2097996, 3146994, 4720491, 6293988, 9440982, 18881964]

約数ペア:

[(1, 18881964), (2, 9440982), (3, 6293988), (4, 4720491), (6, 3146994), (9, 2097996), (12, 1573497), (18, 1048998), (27, 699332), (36, 524499), (54, 349666), (108, 174833), (359, 52596), (487, 38772), (718, 26298), (974, 19386), (1077, 17532), (1436, 13149), (1461, 12924), (1948, 9693), (2154, 8766), (2922, 6462), (3231, 5844), (4308, 4383)]