19953504

素因数分解:

$2^5\times 3^2\times {\mathrm{79}}^1\times {\mathrm{877}}^1$

素因数の和:972

約数の個数: 72

約数和(自身を含む): 57526560

約数和(自身を除く): 37573056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 79, 96, 144, 158, 237, 288, 316, 474, 632, 711, 877, 948, 1264, 1422, 1754, 1896, 2528, 2631, 2844, 3508, 3792, 5262, 5688, 7016, 7584, 7893, 10524, 11376, 14032, 15786, 21048, 22752, 28064, 31572, 42096, 63144, 69283, 84192, 126288, 138566, 207849, 252576, 277132, 415698, 554264, 623547, 831396, 1108528, 1247094, 1662792, 2217056, 2494188, 3325584, 4988376, 6651168, 9976752, 19953504]

約数ペア:

[(1, 19953504), (2, 9976752), (3, 6651168), (4, 4988376), (6, 3325584), (8, 2494188), (9, 2217056), (12, 1662792), (16, 1247094), (18, 1108528), (24, 831396), (32, 623547), (36, 554264), (48, 415698), (72, 277132), (79, 252576), (96, 207849), (144, 138566), (158, 126288), (237, 84192), (288, 69283), (316, 63144), (474, 42096), (632, 31572), (711, 28064), (877, 22752), (948, 21048), (1264, 15786), (1422, 14032), (1754, 11376), (1896, 10524), (2528, 7893), (2631, 7584), (2844, 7016), (3508, 5688), (3792, 5262)]