18645648

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 55520256

約数和(自身を除く): 36874608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 211, 263, 336, 422, 526, 633, 789, 844, 1052, 1266, 1477, 1578, 1688, 1841, 2104, 2532, 2954, 3156, 3376, 3682, 4208, 4431, 5064, 5523, 5908, 6312, 7364, 8862, 10128, 11046, 11816, 12624, 14728, 17724, 22092, 23632, 29456, 35448, 44184, 55493, 70896, 88368, 110986, 166479, 221972, 332958, 388451, 443944, 665916, 776902, 887888, 1165353, 1331832, 1553804, 2330706, 2663664, 3107608, 4661412, 6215216, 9322824, 18645648]

約数ペア:

[(1, 18645648), (2, 9322824), (3, 6215216), (4, 4661412), (6, 3107608), (7, 2663664), (8, 2330706), (12, 1553804), (14, 1331832), (16, 1165353), (21, 887888), (24, 776902), (28, 665916), (42, 443944), (48, 388451), (56, 332958), (84, 221972), (112, 166479), (168, 110986), (211, 88368), (263, 70896), (336, 55493), (422, 44184), (526, 35448), (633, 29456), (789, 23632), (844, 22092), (1052, 17724), (1266, 14728), (1477, 12624), (1578, 11816), (1688, 11046), (1841, 10128), (2104, 8862), (2532, 7364), (2954, 6312), (3156, 5908), (3376, 5523), (3682, 5064), (4208, 4431)]