19355588

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 43120728

約数和(自身を除く): 23765140

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 49, 68, 74, 98, 119, 148, 157, 196, 238, 259, 314, 476, 518, 628, 629, 833, 1036, 1099, 1258, 1666, 1813, 2198, 2516, 2669, 3332, 3626, 4396, 4403, 5338, 5809, 7252, 7693, 8806, 10676, 11618, 15386, 17612, 18683, 23236, 30772, 30821, 37366, 40663, 61642, 74732, 81326, 98753, 123284, 130781, 162652, 197506, 261562, 284641, 395012, 523124, 569282, 691271, 1138564, 1382542, 2765084, 4838897, 9677794, 19355588]

約数ペア:

[(1, 19355588), (2, 9677794), (4, 4838897), (7, 2765084), (14, 1382542), (17, 1138564), (28, 691271), (34, 569282), (37, 523124), (49, 395012), (68, 284641), (74, 261562), (98, 197506), (119, 162652), (148, 130781), (157, 123284), (196, 98753), (238, 81326), (259, 74732), (314, 61642), (476, 40663), (518, 37366), (628, 30821), (629, 30772), (833, 23236), (1036, 18683), (1099, 17612), (1258, 15386), (1666, 11618), (1813, 10676), (2198, 8806), (2516, 7693), (2669, 7252), (3332, 5809), (3626, 5338), (4396, 4403)]