19007567984

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{1109}}^1\times {\mathrm{6823}}^1$

素因数の和:8097

約数の個数: 40

約数和(自身を含む): 37100586720

約数和(自身を除く): 18093018736

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1109, 1256, 2218, 2512, 4436, 6823, 8872, 13646, 17744, 27292, 54584, 109168, 174113, 348226, 696452, 1071211, 1392904, 2142422, 2785808, 4284844, 7566707, 8569688, 15133414, 17139376, 30266828, 60533656, 121067312, 1187972999, 2375945998, 4751891996, 9503783992, 19007567984]

約数ペア:

[(1, 19007567984), (2, 9503783992), (4, 4751891996), (8, 2375945998), (16, 1187972999), (157, 121067312), (314, 60533656), (628, 30266828), (1109, 17139376), (1256, 15133414), (2218, 8569688), (2512, 7566707), (4436, 4284844), (6823, 2785808), (8872, 2142422), (13646, 1392904), (17744, 1071211), (27292, 696452), (54584, 348226), (109168, 174113)]