19912314565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{255499}}^1$

素因数の和:255637

約数の個数: 32

約数和(自身を含む): 28329840000

約数和(自身を除く): 8417525435

約数列:

[1, 5, 11, 13, 55, 65, 109, 143, 545, 715, 1199, 1417, 5995, 7085, 15587, 77935, 255499, 1277495, 2810489, 3321487, 14052445, 16607435, 27849391, 36536357, 139246955, 182681785, 306343301, 362042083, 1531716505, 1810210415, 3982462913, 19912314565]

約数ペア:

[(1, 19912314565), (5, 3982462913), (11, 1810210415), (13, 1531716505), (55, 362042083), (65, 306343301), (109, 182681785), (143, 139246955), (545, 36536357), (715, 27849391), (1199, 16607435), (1417, 14052445), (5995, 3321487), (7085, 2810489), (15587, 1277495), (77935, 255499)]