16890468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{557}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 47621952

約数和(自身を除く): 30731484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 361, 399, 532, 557, 722, 798, 1083, 1114, 1444, 1596, 1671, 2166, 2228, 2527, 3342, 3899, 4332, 5054, 6684, 7581, 7798, 10108, 10583, 11697, 15162, 15596, 21166, 23394, 30324, 31749, 42332, 46788, 63498, 74081, 126996, 148162, 201077, 222243, 296324, 402154, 444486, 603231, 804308, 888972, 1206462, 1407539, 2412924, 2815078, 4222617, 5630156, 8445234, 16890468]

約数ペア:

[(1, 16890468), (2, 8445234), (3, 5630156), (4, 4222617), (6, 2815078), (7, 2412924), (12, 1407539), (14, 1206462), (19, 888972), (21, 804308), (28, 603231), (38, 444486), (42, 402154), (57, 296324), (76, 222243), (84, 201077), (114, 148162), (133, 126996), (228, 74081), (266, 63498), (361, 46788), (399, 42332), (532, 31749), (557, 30324), (722, 23394), (798, 21166), (1083, 15596), (1114, 15162), (1444, 11697), (1596, 10583), (1671, 10108), (2166, 7798), (2228, 7581), (2527, 6684), (3342, 5054), (3899, 4332)]