19857888

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^2\times {\mathrm{191}}^1$

素因数の和:245

約数の個数: 108

約数和(自身を含む): 59911488

約数和(自身を除く): 40053600

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 191, 228, 288, 304, 342, 361, 382, 456, 573, 608, 684, 722, 764, 912, 1083, 1146, 1368, 1444, 1528, 1719, 1824, 2166, 2292, 2736, 2888, 3056, 3249, 3438, 3629, 4332, 4584, 5472, 5776, 6112, 6498, 6876, 7258, 8664, 9168, 10887, 11552, 12996, 13752, 14516, 17328, 18336, 21774, 25992, 27504, 29032, 32661, 34656, 43548, 51984, 55008, 58064, 65322, 68951, 87096, 103968, 116128, 130644, 137902, 174192, 206853, 261288, 275804, 348384, 413706, 522576, 551608, 620559, 827412, 1045152, 1103216, 1241118, 1654824, 2206432, 2482236, 3309648, 4964472, 6619296, 9928944, 19857888]

約数ペア:

[(1, 19857888), (2, 9928944), (3, 6619296), (4, 4964472), (6, 3309648), (8, 2482236), (9, 2206432), (12, 1654824), (16, 1241118), (18, 1103216), (19, 1045152), (24, 827412), (32, 620559), (36, 551608), (38, 522576), (48, 413706), (57, 348384), (72, 275804), (76, 261288), (96, 206853), (114, 174192), (144, 137902), (152, 130644), (171, 116128), (191, 103968), (228, 87096), (288, 68951), (304, 65322), (342, 58064), (361, 55008), (382, 51984), (456, 43548), (573, 34656), (608, 32661), (684, 29032), (722, 27504), (764, 25992), (912, 21774), (1083, 18336), (1146, 17328), (1368, 14516), (1444, 13752), (1528, 12996), (1719, 11552), (1824, 10887), (2166, 9168), (2292, 8664), (2736, 7258), (2888, 6876), (3056, 6498), (3249, 6112), (3438, 5776), (3629, 5472), (4332, 4584)]