37938212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 78857856

約数和(自身を除く): 40919644

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 47, 52, 76, 86, 94, 172, 188, 247, 361, 494, 559, 611, 722, 817, 893, 988, 1118, 1222, 1444, 1634, 1786, 2021, 2236, 2444, 3268, 3572, 4042, 4693, 8084, 9386, 10621, 11609, 15523, 16967, 18772, 21242, 23218, 26273, 31046, 33934, 38399, 42484, 46436, 52546, 62092, 67868, 76798, 105092, 153596, 201799, 220571, 403598, 441142, 499187, 729581, 807196, 882284, 998374, 1459162, 1996748, 2918324, 9484553, 18969106, 37938212]

約数ペア:

[(1, 37938212), (2, 18969106), (4, 9484553), (13, 2918324), (19, 1996748), (26, 1459162), (38, 998374), (43, 882284), (47, 807196), (52, 729581), (76, 499187), (86, 441142), (94, 403598), (172, 220571), (188, 201799), (247, 153596), (361, 105092), (494, 76798), (559, 67868), (611, 62092), (722, 52546), (817, 46436), (893, 42484), (988, 38399), (1118, 33934), (1222, 31046), (1444, 26273), (1634, 23218), (1786, 21242), (2021, 18772), (2236, 16967), (2444, 15523), (3268, 11609), (3572, 10621), (4042, 9386), (4693, 8084)]