19364275

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 30426624

約数和(自身を除く): 11062349

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 161, 175, 283, 391, 425, 575, 595, 805, 1415, 1955, 1981, 2737, 2975, 4025, 4811, 6509, 7075, 9775, 9905, 13685, 24055, 32545, 33677, 45563, 49525, 68425, 110653, 120275, 162725, 168385, 227815, 553265, 774571, 841925, 1139075, 2766325, 3872855, 19364275]

約数ペア:

[(1, 19364275), (5, 3872855), (7, 2766325), (17, 1139075), (23, 841925), (25, 774571), (35, 553265), (85, 227815), (115, 168385), (119, 162725), (161, 120275), (175, 110653), (283, 68425), (391, 49525), (425, 45563), (575, 33677), (595, 32545), (805, 24055), (1415, 13685), (1955, 9905), (1981, 9775), (2737, 7075), (2975, 6509), (4025, 4811)]