19392670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 40476672

約数和(自身を除く): 21084002

約数列:

[1, 2, 5, 10, 11, 22, 31, 47, 55, 62, 94, 110, 121, 155, 235, 242, 310, 341, 470, 517, 605, 682, 1034, 1210, 1331, 1457, 1705, 2585, 2662, 2914, 3410, 3751, 5170, 5687, 6655, 7285, 7502, 11374, 13310, 14570, 16027, 18755, 28435, 32054, 37510, 41261, 56870, 62557, 80135, 82522, 125114, 160270, 176297, 206305, 312785, 352594, 412610, 625570, 881485, 1762970, 1939267, 3878534, 9696335, 19392670]

約数ペア:

[(1, 19392670), (2, 9696335), (5, 3878534), (10, 1939267), (11, 1762970), (22, 881485), (31, 625570), (47, 412610), (55, 352594), (62, 312785), (94, 206305), (110, 176297), (121, 160270), (155, 125114), (235, 82522), (242, 80135), (310, 62557), (341, 56870), (470, 41261), (517, 37510), (605, 32054), (682, 28435), (1034, 18755), (1210, 16027), (1331, 14570), (1457, 13310), (1705, 11374), (2585, 7502), (2662, 7285), (2914, 6655), (3410, 5687), (3751, 5170)]