18163886020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2760469}}^1$

素因数の和:2760532

約数の個数: 48

約数和(自身を含む): 44520860160

約数和(自身を除く): 26356974140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 2760469, 5520938, 11041876, 13802345, 19323283, 27604690, 38646566, 55209380, 77293132, 96616415, 129742043, 193232830, 259484086, 386465660, 518968172, 648710215, 908194301, 1297420430, 1816388602, 2594840860, 3632777204, 4540971505, 9081943010, 18163886020]

約数ペア:

[(1, 18163886020), (2, 9081943010), (4, 4540971505), (5, 3632777204), (7, 2594840860), (10, 1816388602), (14, 1297420430), (20, 908194301), (28, 648710215), (35, 518968172), (47, 386465660), (70, 259484086), (94, 193232830), (140, 129742043), (188, 96616415), (235, 77293132), (329, 55209380), (470, 38646566), (658, 27604690), (940, 19323283), (1316, 13802345), (1645, 11041876), (3290, 5520938), (6580, 2760469)]