19857924

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{827}}^1$

素因数の和:889

約数の個数: 72

約数和(自身を含む): 54250560

約数和(自身を除く): 34392636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 29, 36, 46, 58, 69, 87, 92, 116, 138, 174, 207, 261, 276, 348, 414, 522, 667, 827, 828, 1044, 1334, 1654, 2001, 2481, 2668, 3308, 4002, 4962, 6003, 7443, 8004, 9924, 12006, 14886, 19021, 23983, 24012, 29772, 38042, 47966, 57063, 71949, 76084, 95932, 114126, 143898, 171189, 215847, 228252, 287796, 342378, 431694, 551609, 684756, 863388, 1103218, 1654827, 2206436, 3309654, 4964481, 6619308, 9928962, 19857924]

約数ペア:

[(1, 19857924), (2, 9928962), (3, 6619308), (4, 4964481), (6, 3309654), (9, 2206436), (12, 1654827), (18, 1103218), (23, 863388), (29, 684756), (36, 551609), (46, 431694), (58, 342378), (69, 287796), (87, 228252), (92, 215847), (116, 171189), (138, 143898), (174, 114126), (207, 95932), (261, 76084), (276, 71949), (348, 57063), (414, 47966), (522, 38042), (667, 29772), (827, 24012), (828, 23983), (1044, 19021), (1334, 14886), (1654, 12006), (2001, 9924), (2481, 8004), (2668, 7443), (3308, 6003), (4002, 4962)]