15813928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 34473600

約数和(自身を除く): 18659672

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 53, 76, 104, 106, 151, 152, 212, 247, 302, 424, 494, 604, 689, 988, 1007, 1208, 1378, 1963, 1976, 2014, 2756, 2869, 3926, 4028, 5512, 5738, 7852, 8003, 8056, 11476, 13091, 15704, 16006, 22952, 26182, 32012, 37297, 52364, 64024, 74594, 104039, 104728, 149188, 152057, 208078, 298376, 304114, 416156, 608228, 832312, 1216456, 1976741, 3953482, 7906964, 15813928]

約数ペア:

[(1, 15813928), (2, 7906964), (4, 3953482), (8, 1976741), (13, 1216456), (19, 832312), (26, 608228), (38, 416156), (52, 304114), (53, 298376), (76, 208078), (104, 152057), (106, 149188), (151, 104728), (152, 104039), (212, 74594), (247, 64024), (302, 52364), (424, 37297), (494, 32012), (604, 26182), (689, 22952), (988, 16006), (1007, 15704), (1208, 13091), (1378, 11476), (1963, 8056), (1976, 8003), (2014, 7852), (2756, 5738), (2869, 5512), (3926, 4028)]