18005260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{761}}^1$

素因数の和:803

約数の個数: 72

約数和(自身を含む): 46853856

約数和(自身を除く): 28848596

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 761, 845, 910, 1183, 1522, 1690, 1820, 2366, 3044, 3380, 3805, 4732, 5327, 5915, 7610, 9893, 10654, 11830, 15220, 19786, 21308, 23660, 26635, 39572, 49465, 53270, 69251, 98930, 106540, 128609, 138502, 197860, 257218, 277004, 346255, 514436, 643045, 692510, 900263, 1286090, 1385020, 1800526, 2572180, 3601052, 4501315, 9002630, 18005260]

約数ペア:

[(1, 18005260), (2, 9002630), (4, 4501315), (5, 3601052), (7, 2572180), (10, 1800526), (13, 1385020), (14, 1286090), (20, 900263), (26, 692510), (28, 643045), (35, 514436), (52, 346255), (65, 277004), (70, 257218), (91, 197860), (130, 138502), (140, 128609), (169, 106540), (182, 98930), (260, 69251), (338, 53270), (364, 49465), (455, 39572), (676, 26635), (761, 23660), (845, 21308), (910, 19786), (1183, 15220), (1522, 11830), (1690, 10654), (1820, 9893), (2366, 7610), (3044, 5915), (3380, 5327), (3805, 4732)]