19667770

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{863}}^1$

素因数の和:966

約数の個数: 32

約数和(自身を含む): 36951552

約数和(自身を除く): 17283782

約数列:

[1, 2, 5, 10, 43, 53, 86, 106, 215, 265, 430, 530, 863, 1726, 2279, 4315, 4558, 8630, 11395, 22790, 37109, 45739, 74218, 91478, 185545, 228695, 371090, 457390, 1966777, 3933554, 9833885, 19667770]

約数ペア:

[(1, 19667770), (2, 9833885), (5, 3933554), (10, 1966777), (43, 457390), (53, 371090), (86, 228695), (106, 185545), (215, 91478), (265, 74218), (430, 45739), (530, 37109), (863, 22790), (1726, 11395), (2279, 8630), (4315, 4558)]