18695460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6359}}^1$

素因数の和:6385

約数の個数: 72

約数和(自身を含む): 60903360

約数和(自身を除く): 42207900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6359, 12718, 19077, 25436, 31795, 38154, 44513, 63590, 76308, 89026, 95385, 127180, 133539, 178052, 190770, 222565, 267078, 311591, 381540, 445130, 534156, 623182, 667695, 890260, 934773, 1246364, 1335390, 1557955, 1869546, 2670780, 3115910, 3739092, 4673865, 6231820, 9347730, 18695460]

約数ペア:

[(1, 18695460), (2, 9347730), (3, 6231820), (4, 4673865), (5, 3739092), (6, 3115910), (7, 2670780), (10, 1869546), (12, 1557955), (14, 1335390), (15, 1246364), (20, 934773), (21, 890260), (28, 667695), (30, 623182), (35, 534156), (42, 445130), (49, 381540), (60, 311591), (70, 267078), (84, 222565), (98, 190770), (105, 178052), (140, 133539), (147, 127180), (196, 95385), (210, 89026), (245, 76308), (294, 63590), (420, 44513), (490, 38154), (588, 31795), (735, 25436), (980, 19077), (1470, 12718), (2940, 6359)]