19504506

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 47425536

約数和(自身を除く): 27921030

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 61, 69, 122, 138, 161, 183, 322, 331, 366, 427, 483, 662, 854, 966, 993, 1281, 1403, 1986, 2317, 2562, 2806, 4209, 4634, 6951, 7613, 8418, 9821, 13902, 15226, 19642, 20191, 22839, 29463, 40382, 45678, 53291, 58926, 60573, 106582, 121146, 141337, 159873, 282674, 319746, 424011, 464393, 848022, 928786, 1393179, 2786358, 3250751, 6501502, 9752253, 19504506]

約数ペア:

[(1, 19504506), (2, 9752253), (3, 6501502), (6, 3250751), (7, 2786358), (14, 1393179), (21, 928786), (23, 848022), (42, 464393), (46, 424011), (61, 319746), (69, 282674), (122, 159873), (138, 141337), (161, 121146), (183, 106582), (322, 60573), (331, 58926), (366, 53291), (427, 45678), (483, 40382), (662, 29463), (854, 22839), (966, 20191), (993, 19642), (1281, 15226), (1403, 13902), (1986, 9821), (2317, 8418), (2562, 7613), (2806, 6951), (4209, 4634)]