19856616

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2053}}^1$

素因数の和:2106

約数の個数: 64

約数和(自身を含む): 55211520

約数和(自身を除く): 35354904

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 744, 806, 1209, 1612, 2053, 2418, 3224, 4106, 4836, 6159, 8212, 9672, 12318, 16424, 24636, 26689, 49272, 53378, 63643, 80067, 106756, 127286, 160134, 190929, 213512, 254572, 320268, 381858, 509144, 640536, 763716, 827359, 1527432, 1654718, 2482077, 3309436, 4964154, 6618872, 9928308, 19856616]

約数ペア:

[(1, 19856616), (2, 9928308), (3, 6618872), (4, 4964154), (6, 3309436), (8, 2482077), (12, 1654718), (13, 1527432), (24, 827359), (26, 763716), (31, 640536), (39, 509144), (52, 381858), (62, 320268), (78, 254572), (93, 213512), (104, 190929), (124, 160134), (156, 127286), (186, 106756), (248, 80067), (312, 63643), (372, 53378), (403, 49272), (744, 26689), (806, 24636), (1209, 16424), (1612, 12318), (2053, 9672), (2418, 8212), (3224, 6159), (4106, 4836)]