18633718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 31327200

約数和(自身を除く): 12693482

約数列:

[1, 2, 19, 29, 37, 38, 58, 74, 457, 551, 703, 914, 1073, 1102, 1406, 2146, 8683, 13253, 16909, 17366, 20387, 26506, 33818, 40774, 251807, 321271, 490361, 503614, 642542, 980722, 9316859, 18633718]

約数ペア:

[(1, 18633718), (2, 9316859), (19, 980722), (29, 642542), (37, 503614), (38, 490361), (58, 321271), (74, 251807), (457, 40774), (551, 33818), (703, 26506), (914, 20387), (1073, 17366), (1102, 16909), (1406, 13253), (2146, 8683)]