18630780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6337}}^1$

素因数の和:6363

約数の個数: 72

約数和(自身を含む): 60692688

約数和(自身を除く): 42061908

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, 6337, 12674, 19011, 25348, 31685, 38022, 44359, 63370, 76044, 88718, 95055, 126740, 133077, 177436, 190110, 221795, 266154, 310513, 380220, 443590, 532308, 621026, 665385, 887180, 931539, 1242052, 1330770, 1552565, 1863078, 2661540, 3105130, 3726156, 4657695, 6210260, 9315390, 18630780]

約数ペア:

[(1, 18630780), (2, 9315390), (3, 6210260), (4, 4657695), (5, 3726156), (6, 3105130), (7, 2661540), (10, 1863078), (12, 1552565), (14, 1330770), (15, 1242052), (20, 931539), (21, 887180), (28, 665385), (30, 621026), (35, 532308), (42, 443590), (49, 380220), (60, 310513), (70, 266154), (84, 221795), (98, 190110), (105, 177436), (140, 133077), (147, 126740), (196, 95055), (210, 88718), (245, 76044), (294, 63370), (420, 44359), (490, 38022), (588, 31685), (735, 25348), (980, 19011), (1470, 12674), (2940, 6337)]