19520270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 44416512

約数和(自身を除く): 24896242

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 101, 110, 154, 202, 251, 385, 502, 505, 707, 770, 1010, 1111, 1255, 1414, 1757, 2222, 2510, 2761, 3514, 3535, 5522, 5555, 7070, 7777, 8785, 11110, 13805, 15554, 17570, 19327, 25351, 27610, 38654, 38885, 50702, 77770, 96635, 126755, 177457, 193270, 253510, 278861, 354914, 557722, 887285, 1394305, 1774570, 1952027, 2788610, 3904054, 9760135, 19520270]

約数ペア:

[(1, 19520270), (2, 9760135), (5, 3904054), (7, 2788610), (10, 1952027), (11, 1774570), (14, 1394305), (22, 887285), (35, 557722), (55, 354914), (70, 278861), (77, 253510), (101, 193270), (110, 177457), (154, 126755), (202, 96635), (251, 77770), (385, 50702), (502, 38885), (505, 38654), (707, 27610), (770, 25351), (1010, 19327), (1111, 17570), (1255, 15554), (1414, 13805), (1757, 11110), (2222, 8785), (2510, 7777), (2761, 7070), (3514, 5555), (3535, 5522)]