19280030

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1$

素因数の和:119

約数の個数: 80

約数和(自身を含む): 44771184

約数和(自身を除く): 25491154

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 73, 77, 98, 110, 146, 154, 245, 343, 365, 385, 490, 511, 539, 686, 730, 770, 803, 1022, 1078, 1606, 1715, 2401, 2555, 2695, 3430, 3577, 3773, 4015, 4802, 5110, 5390, 5621, 7154, 7546, 8030, 11242, 12005, 17885, 18865, 24010, 25039, 26411, 28105, 35770, 37730, 39347, 50078, 52822, 56210, 78694, 125195, 132055, 175273, 196735, 250390, 264110, 275429, 350546, 393470, 550858, 876365, 1377145, 1752730, 1928003, 2754290, 3856006, 9640015, 19280030]

約数ペア:

[(1, 19280030), (2, 9640015), (5, 3856006), (7, 2754290), (10, 1928003), (11, 1752730), (14, 1377145), (22, 876365), (35, 550858), (49, 393470), (55, 350546), (70, 275429), (73, 264110), (77, 250390), (98, 196735), (110, 175273), (146, 132055), (154, 125195), (245, 78694), (343, 56210), (365, 52822), (385, 50078), (490, 39347), (511, 37730), (539, 35770), (686, 28105), (730, 26411), (770, 25039), (803, 24010), (1022, 18865), (1078, 17885), (1606, 12005), (1715, 11242), (2401, 8030), (2555, 7546), (2695, 7154), (3430, 5621), (3577, 5390), (3773, 5110), (4015, 4802)]