19673786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{659}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 14540614

約数列:

[1, 2, 11, 22, 23, 46, 59, 118, 253, 506, 649, 659, 1298, 1318, 1357, 2714, 7249, 14498, 14927, 15157, 29854, 30314, 38881, 77762, 166727, 333454, 427691, 855382, 894263, 1788526, 9836893, 19673786]

約数ペア:

[(1, 19673786), (2, 9836893), (11, 1788526), (22, 894263), (23, 855382), (46, 427691), (59, 333454), (118, 166727), (253, 77762), (506, 38881), (649, 30314), (659, 29854), (1298, 15157), (1318, 14927), (1357, 14498), (2714, 7249)]