19929372988

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1879}}^1\times {\mathrm{9239}}^1$

素因数の和:11170

約数の個数: 48

約数和(自身を含む): 40857062400

約数和(自身を除く): 20927689412

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 1879, 3758, 7516, 9239, 13153, 18478, 26306, 36956, 52612, 64673, 77039, 129346, 154078, 258692, 308156, 378799, 539273, 757598, 1078546, 1515196, 2157092, 2651593, 5303186, 10606372, 17360081, 34720162, 69440324, 121520567, 243041134, 486082268, 711763321, 1423526642, 2847053284, 4982343247, 9964686494, 19929372988]

約数ペア:

[(1, 19929372988), (2, 9964686494), (4, 4982343247), (7, 2847053284), (14, 1423526642), (28, 711763321), (41, 486082268), (82, 243041134), (164, 121520567), (287, 69440324), (574, 34720162), (1148, 17360081), (1879, 10606372), (3758, 5303186), (7516, 2651593), (9239, 2157092), (13153, 1515196), (18478, 1078546), (26306, 757598), (36956, 539273), (52612, 378799), (64673, 308156), (77039, 258692), (129346, 154078)]