18100451988

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{127709}}^1$

素因数の和:127877

約数の個数: 72

約数和(自身を含む): 47602114560

約数和(自身を除く): 29501662572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 127, 186, 254, 279, 372, 381, 508, 558, 762, 1116, 1143, 1524, 2286, 3937, 4572, 7874, 11811, 15748, 23622, 35433, 47244, 70866, 127709, 141732, 255418, 383127, 510836, 766254, 1149381, 1532508, 2298762, 3958979, 4597524, 7917958, 11876937, 15835916, 16219043, 23753874, 32438086, 35630811, 47507748, 48657129, 64876172, 71261622, 97314258, 142523244, 145971387, 194628516, 291942774, 502790333, 583885548, 1005580666, 1508370999, 2011161332, 3016741998, 4525112997, 6033483996, 9050225994, 18100451988]

約数ペア:

[(1, 18100451988), (2, 9050225994), (3, 6033483996), (4, 4525112997), (6, 3016741998), (9, 2011161332), (12, 1508370999), (18, 1005580666), (31, 583885548), (36, 502790333), (62, 291942774), (93, 194628516), (124, 145971387), (127, 142523244), (186, 97314258), (254, 71261622), (279, 64876172), (372, 48657129), (381, 47507748), (508, 35630811), (558, 32438086), (762, 23753874), (1116, 16219043), (1143, 15835916), (1524, 11876937), (2286, 7917958), (3937, 4597524), (4572, 3958979), (7874, 2298762), (11811, 1532508), (15748, 1149381), (23622, 766254), (35433, 510836), (47244, 383127), (70866, 255418), (127709, 141732)]