19229868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:711

約数の個数: 72

約数和(自身を含む): 56058912

約数和(自身を除く): 36829044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 137, 252, 274, 411, 548, 557, 822, 959, 1114, 1233, 1644, 1671, 1918, 2228, 2466, 2877, 3342, 3836, 3899, 4932, 5013, 5754, 6684, 7798, 8631, 10026, 11508, 11697, 15596, 17262, 20052, 23394, 34524, 35091, 46788, 70182, 76309, 140364, 152618, 228927, 305236, 457854, 534163, 686781, 915708, 1068326, 1373562, 1602489, 2136652, 2747124, 3204978, 4807467, 6409956, 9614934, 19229868]

約数ペア:

[(1, 19229868), (2, 9614934), (3, 6409956), (4, 4807467), (6, 3204978), (7, 2747124), (9, 2136652), (12, 1602489), (14, 1373562), (18, 1068326), (21, 915708), (28, 686781), (36, 534163), (42, 457854), (63, 305236), (84, 228927), (126, 152618), (137, 140364), (252, 76309), (274, 70182), (411, 46788), (548, 35091), (557, 34524), (822, 23394), (959, 20052), (1114, 17262), (1233, 15596), (1644, 11697), (1671, 11508), (1918, 10026), (2228, 8631), (2466, 7798), (2877, 6684), (3342, 5754), (3836, 5013), (3899, 4932)]