19273904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4877}}^1$

素因数の和:4917

約数の個数: 40

約数和(自身を含む): 42341040

約数和(自身を除く): 23067136

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4877, 9754, 19508, 39016, 63401, 78032, 92663, 126802, 185326, 253604, 370652, 507208, 741304, 1014416, 1204619, 1482608, 2409238, 4818476, 9636952, 19273904]

約数ペア:

[(1, 19273904), (2, 9636952), (4, 4818476), (8, 2409238), (13, 1482608), (16, 1204619), (19, 1014416), (26, 741304), (38, 507208), (52, 370652), (76, 253604), (104, 185326), (152, 126802), (208, 92663), (247, 78032), (304, 63401), (494, 39016), (988, 19508), (1976, 9754), (3952, 4877)]