19855316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 39184320

約数和(自身を除く): 19329004

約数列:

[1, 2, 4, 13, 26, 41, 52, 67, 82, 134, 139, 164, 268, 278, 533, 556, 871, 1066, 1742, 1807, 2132, 2747, 3484, 3614, 5494, 5699, 7228, 9313, 10988, 11398, 18626, 22796, 35711, 37252, 71422, 74087, 121069, 142844, 148174, 242138, 296348, 381833, 484276, 763666, 1527332, 4963829, 9927658, 19855316]

約数ペア:

[(1, 19855316), (2, 9927658), (4, 4963829), (13, 1527332), (26, 763666), (41, 484276), (52, 381833), (67, 296348), (82, 242138), (134, 148174), (139, 142844), (164, 121069), (268, 74087), (278, 71422), (533, 37252), (556, 35711), (871, 22796), (1066, 18626), (1742, 11398), (1807, 10988), (2132, 9313), (2747, 7228), (3484, 5699), (3614, 5494)]