19364450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:987

約数の個数: 48

約数和(自身を含む): 41884224

約数和(自身を除く): 22519774

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 175, 305, 350, 427, 610, 854, 907, 1525, 1814, 2135, 3050, 4270, 4535, 6349, 9070, 10675, 12698, 21350, 22675, 31745, 45350, 55327, 63490, 110654, 158725, 276635, 317450, 387289, 553270, 774578, 1383175, 1936445, 2766350, 3872890, 9682225, 19364450]

約数ペア:

[(1, 19364450), (2, 9682225), (5, 3872890), (7, 2766350), (10, 1936445), (14, 1383175), (25, 774578), (35, 553270), (50, 387289), (61, 317450), (70, 276635), (122, 158725), (175, 110654), (305, 63490), (350, 55327), (427, 45350), (610, 31745), (854, 22675), (907, 21350), (1525, 12698), (1814, 10675), (2135, 9070), (3050, 6349), (4270, 4535)]