31123638

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19001}}^1$

素因数の和:19029

約数の個数: 48

約数和(自身を含む): 83000736

約数和(自身を除く): 51877098

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 19001, 38002, 57003, 114006, 133007, 171009, 247013, 266014, 342018, 399021, 494026, 741039, 798042, 1197063, 1482078, 1729091, 2223117, 2394126, 3458182, 4446234, 5187273, 10374546, 15561819, 31123638]

約数ペア:

[(1, 31123638), (2, 15561819), (3, 10374546), (6, 5187273), (7, 4446234), (9, 3458182), (13, 2394126), (14, 2223117), (18, 1729091), (21, 1482078), (26, 1197063), (39, 798042), (42, 741039), (63, 494026), (78, 399021), (91, 342018), (117, 266014), (126, 247013), (182, 171009), (234, 133007), (273, 114006), (546, 57003), (819, 38002), (1638, 19001)]