15721898004

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^3\times {\mathrm{63671}}^1$

素因数の和:63738

約数の個数: 72

約数和(自身を含む): 41949660480

約数和(自身を除く): 26227762476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 361, 684, 722, 1083, 1444, 2166, 3249, 4332, 6498, 6859, 12996, 13718, 20577, 27436, 41154, 61731, 63671, 82308, 123462, 127342, 191013, 246924, 254684, 382026, 573039, 764052, 1146078, 1209749, 2292156, 2419498, 3629247, 4838996, 7258494, 10887741, 14516988, 21775482, 22985231, 43550964, 45970462, 68955693, 91940924, 137911386, 206867079, 275822772, 413734158, 436719389, 827468316, 873438778, 1310158167, 1746877556, 2620316334, 3930474501, 5240632668, 7860949002, 15721898004]

約数ペア:

[(1, 15721898004), (2, 7860949002), (3, 5240632668), (4, 3930474501), (6, 2620316334), (9, 1746877556), (12, 1310158167), (18, 873438778), (19, 827468316), (36, 436719389), (38, 413734158), (57, 275822772), (76, 206867079), (114, 137911386), (171, 91940924), (228, 68955693), (342, 45970462), (361, 43550964), (684, 22985231), (722, 21775482), (1083, 14516988), (1444, 10887741), (2166, 7258494), (3249, 4838996), (4332, 3629247), (6498, 2419498), (6859, 2292156), (12996, 1209749), (13718, 1146078), (20577, 764052), (27436, 573039), (41154, 382026), (61731, 254684), (63671, 246924), (82308, 191013), (123462, 127342)]