18948472

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7333}}^1$

素因数の和:7375

約数の個数: 32

約数和(自身を含む): 39603600

約数和(自身を除く): 20655128

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7333, 14666, 29332, 58664, 124661, 139327, 249322, 278654, 498644, 557308, 997288, 1114616, 2368559, 4737118, 9474236, 18948472]

約数ペア:

[(1, 18948472), (2, 9474236), (4, 4737118), (8, 2368559), (17, 1114616), (19, 997288), (34, 557308), (38, 498644), (68, 278654), (76, 249322), (136, 139327), (152, 124661), (323, 58664), (646, 29332), (1292, 14666), (2584, 7333)]