20180867518

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{75641}}^1$

素因数の和:75745

約数の個数: 64

約数和(自身を含む): 39212812800

約数和(自身を除く): 19031945282

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 59, 118, 119, 133, 238, 266, 323, 413, 646, 826, 1003, 1121, 2006, 2242, 2261, 4522, 7021, 7847, 14042, 15694, 19057, 38114, 75641, 133399, 151282, 266798, 529487, 1058974, 1285897, 1437179, 2571794, 2874358, 4462819, 8925638, 9001279, 10060253, 18002558, 20120506, 24432043, 31239733, 48864086, 62479466, 75867923, 84793561, 151735846, 169587122, 171024301, 342048602, 531075461, 593554927, 1062150922, 1187109854, 1441490537, 2882981074, 10090433759, 20180867518]

約数ペア:

[(1, 20180867518), (2, 10090433759), (7, 2882981074), (14, 1441490537), (17, 1187109854), (19, 1062150922), (34, 593554927), (38, 531075461), (59, 342048602), (118, 171024301), (119, 169587122), (133, 151735846), (238, 84793561), (266, 75867923), (323, 62479466), (413, 48864086), (646, 31239733), (826, 24432043), (1003, 20120506), (1121, 18002558), (2006, 10060253), (2242, 9001279), (2261, 8925638), (4522, 4462819), (7021, 2874358), (7847, 2571794), (14042, 1437179), (15694, 1285897), (19057, 1058974), (38114, 529487), (75641, 266798), (133399, 151282)]