18639516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3761}}^1$

素因数の和:3834

約数の個数: 48

約数和(自身を含む): 50561280

約数和(自身を除く): 31921764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 59, 84, 118, 177, 236, 354, 413, 708, 826, 1239, 1652, 2478, 3761, 4956, 7522, 11283, 15044, 22566, 26327, 45132, 52654, 78981, 105308, 157962, 221899, 315924, 443798, 665697, 887596, 1331394, 1553293, 2662788, 3106586, 4659879, 6213172, 9319758, 18639516]

約数ペア:

[(1, 18639516), (2, 9319758), (3, 6213172), (4, 4659879), (6, 3106586), (7, 2662788), (12, 1553293), (14, 1331394), (21, 887596), (28, 665697), (42, 443798), (59, 315924), (84, 221899), (118, 157962), (177, 105308), (236, 78981), (354, 52654), (413, 45132), (708, 26327), (826, 22566), (1239, 15044), (1652, 11283), (2478, 7522), (3761, 4956)]