19489160

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 46364400

約数和(自身を除く): 26875240

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 53, 58, 106, 116, 145, 212, 232, 265, 290, 317, 424, 530, 580, 634, 1060, 1160, 1268, 1537, 1585, 2120, 2536, 3074, 3170, 6148, 6340, 7685, 9193, 12296, 12680, 15370, 16801, 18386, 30740, 33602, 36772, 45965, 61480, 67204, 73544, 84005, 91930, 134408, 168010, 183860, 336020, 367720, 487229, 672040, 974458, 1948916, 2436145, 3897832, 4872290, 9744580, 19489160]

約数ペア:

[(1, 19489160), (2, 9744580), (4, 4872290), (5, 3897832), (8, 2436145), (10, 1948916), (20, 974458), (29, 672040), (40, 487229), (53, 367720), (58, 336020), (106, 183860), (116, 168010), (145, 134408), (212, 91930), (232, 84005), (265, 73544), (290, 67204), (317, 61480), (424, 45965), (530, 36772), (580, 33602), (634, 30740), (1060, 18386), (1160, 16801), (1268, 15370), (1537, 12680), (1585, 12296), (2120, 9193), (2536, 7685), (3074, 6340), (3170, 6148)]