17961020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 47900160

約数和(自身を除く): 29939140

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 107, 109, 110, 140, 154, 214, 218, 220, 308, 385, 428, 436, 535, 545, 749, 763, 770, 1070, 1090, 1177, 1199, 1498, 1526, 1540, 2140, 2180, 2354, 2398, 2996, 3052, 3745, 3815, 4708, 4796, 5885, 5995, 7490, 7630, 8239, 8393, 11663, 11770, 11990, 14980, 15260, 16478, 16786, 23326, 23540, 23980, 32956, 33572, 41195, 41965, 46652, 58315, 81641, 82390, 83930, 116630, 128293, 163282, 164780, 167860, 233260, 256586, 326564, 408205, 513172, 641465, 816410, 898051, 1282930, 1632820, 1796102, 2565860, 3592204, 4490255, 8980510, 17961020]

約数ペア:

[(1, 17961020), (2, 8980510), (4, 4490255), (5, 3592204), (7, 2565860), (10, 1796102), (11, 1632820), (14, 1282930), (20, 898051), (22, 816410), (28, 641465), (35, 513172), (44, 408205), (55, 326564), (70, 256586), (77, 233260), (107, 167860), (109, 164780), (110, 163282), (140, 128293), (154, 116630), (214, 83930), (218, 82390), (220, 81641), (308, 58315), (385, 46652), (428, 41965), (436, 41195), (535, 33572), (545, 32956), (749, 23980), (763, 23540), (770, 23326), (1070, 16786), (1090, 16478), (1177, 15260), (1199, 14980), (1498, 11990), (1526, 11770), (1540, 11663), (2140, 8393), (2180, 8239), (2354, 7630), (2398, 7490), (2996, 5995), (3052, 5885), (3745, 4796), (3815, 4708)]