19405776

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:388

約数の個数: 80

約数和(自身を含む): 54621504

約数和(自身を除く): 35215728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 137, 156, 208, 227, 274, 312, 411, 454, 548, 624, 681, 822, 908, 1096, 1362, 1644, 1781, 1816, 2192, 2724, 2951, 3288, 3562, 3632, 5343, 5448, 5902, 6576, 7124, 8853, 10686, 10896, 11804, 14248, 17706, 21372, 23608, 28496, 31099, 35412, 42744, 47216, 62198, 70824, 85488, 93297, 124396, 141648, 186594, 248792, 373188, 404287, 497584, 746376, 808574, 1212861, 1492752, 1617148, 2425722, 3234296, 4851444, 6468592, 9702888, 19405776]

約数ペア:

[(1, 19405776), (2, 9702888), (3, 6468592), (4, 4851444), (6, 3234296), (8, 2425722), (12, 1617148), (13, 1492752), (16, 1212861), (24, 808574), (26, 746376), (39, 497584), (48, 404287), (52, 373188), (78, 248792), (104, 186594), (137, 141648), (156, 124396), (208, 93297), (227, 85488), (274, 70824), (312, 62198), (411, 47216), (454, 42744), (548, 35412), (624, 31099), (681, 28496), (822, 23608), (908, 21372), (1096, 17706), (1362, 14248), (1644, 11804), (1781, 10896), (1816, 10686), (2192, 8853), (2724, 7124), (2951, 6576), (3288, 5902), (3562, 5448), (3632, 5343)]