19559913

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{4231}}^1$

素因数の和:4324

約数の個数: 16

約数和(自身を含む): 27626496

約数和(自身を除く): 8066583

約数列:

[1, 3, 23, 67, 69, 201, 1541, 4231, 4623, 12693, 97313, 283477, 291939, 850431, 6519971, 19559913]

約数ペア:

[(1, 19559913), (3, 6519971), (23, 850431), (67, 291939), (69, 283477), (201, 97313), (1541, 12693), (4231, 4623)]