17788628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 37001664

約数和(自身を除く): 19213036

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 137, 143, 227, 274, 286, 454, 548, 572, 908, 1507, 1781, 2497, 2951, 3014, 3562, 4994, 5902, 6028, 7124, 9988, 11804, 19591, 31099, 32461, 39182, 62198, 64922, 78364, 124396, 129844, 342089, 404287, 684178, 808574, 1368356, 1617148, 4447157, 8894314, 17788628]

約数ペア:

[(1, 17788628), (2, 8894314), (4, 4447157), (11, 1617148), (13, 1368356), (22, 808574), (26, 684178), (44, 404287), (52, 342089), (137, 129844), (143, 124396), (227, 78364), (274, 64922), (286, 62198), (454, 39182), (548, 32461), (572, 31099), (908, 19591), (1507, 11804), (1781, 9988), (2497, 7124), (2951, 6028), (3014, 5902), (3562, 4994)]