19169888

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 39191040

約数和(自身を除く): 20021152

約数列:

[1, 2, 4, 8, 16, 32, 53, 89, 106, 127, 178, 212, 254, 356, 424, 508, 712, 848, 1016, 1424, 1696, 2032, 2848, 4064, 4717, 6731, 9434, 11303, 13462, 18868, 22606, 26924, 37736, 45212, 53848, 75472, 90424, 107696, 150944, 180848, 215392, 361696, 599059, 1198118, 2396236, 4792472, 9584944, 19169888]

約数ペア:

[(1, 19169888), (2, 9584944), (4, 4792472), (8, 2396236), (16, 1198118), (32, 599059), (53, 361696), (89, 215392), (106, 180848), (127, 150944), (178, 107696), (212, 90424), (254, 75472), (356, 53848), (424, 45212), (508, 37736), (712, 26924), (848, 22606), (1016, 18868), (1424, 13462), (1696, 11303), (2032, 9434), (2848, 6731), (4064, 4717)]