19880190722

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{39079}}^1$

素因数の和:39303

約数の個数: 48

約数和(自身を含む): 36086472000

約数和(自身を除く): 16206281278

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 179, 203, 358, 406, 1253, 1421, 2506, 2842, 5191, 8771, 10382, 17542, 36337, 39079, 72674, 78158, 254359, 273553, 508718, 547106, 1133291, 1914871, 2266582, 3829742, 6995141, 7933037, 13990282, 15866074, 48965987, 55531259, 97931974, 111062518, 202859089, 342761909, 405718178, 685523818, 1420013623, 2840027246, 9940095361, 19880190722]

約数ペア:

[(1, 19880190722), (2, 9940095361), (7, 2840027246), (14, 1420013623), (29, 685523818), (49, 405718178), (58, 342761909), (98, 202859089), (179, 111062518), (203, 97931974), (358, 55531259), (406, 48965987), (1253, 15866074), (1421, 13990282), (2506, 7933037), (2842, 6995141), (5191, 3829742), (8771, 2266582), (10382, 1914871), (17542, 1133291), (36337, 547106), (39079, 508718), (72674, 273553), (78158, 254359)]