19027476

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 52412360

約数和(自身を除く): 33384884

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 109, 117, 156, 218, 234, 327, 373, 436, 468, 654, 746, 981, 1119, 1308, 1417, 1492, 1962, 2238, 2834, 3357, 3924, 4251, 4476, 4849, 5668, 6714, 8502, 9698, 12753, 13428, 14547, 17004, 19396, 25506, 29094, 40657, 43641, 51012, 58188, 81314, 87282, 121971, 162628, 174564, 243942, 365913, 487884, 528541, 731826, 1057082, 1463652, 1585623, 2114164, 3171246, 4756869, 6342492, 9513738, 19027476]

約数ペア:

[(1, 19027476), (2, 9513738), (3, 6342492), (4, 4756869), (6, 3171246), (9, 2114164), (12, 1585623), (13, 1463652), (18, 1057082), (26, 731826), (36, 528541), (39, 487884), (52, 365913), (78, 243942), (109, 174564), (117, 162628), (156, 121971), (218, 87282), (234, 81314), (327, 58188), (373, 51012), (436, 43641), (468, 40657), (654, 29094), (746, 25506), (981, 19396), (1119, 17004), (1308, 14547), (1417, 13428), (1492, 12753), (1962, 9698), (2238, 8502), (2834, 6714), (3357, 5668), (3924, 4849), (4251, 4476)]