19563882

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 45534720

約数和(自身を除く): 25970838

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 43, 57, 78, 86, 114, 129, 247, 258, 307, 494, 559, 614, 741, 817, 921, 1118, 1482, 1634, 1677, 1842, 2451, 3354, 3991, 4902, 5833, 7982, 10621, 11666, 11973, 13201, 17499, 21242, 23946, 26402, 31863, 34998, 39603, 63726, 75829, 79206, 151658, 171613, 227487, 250819, 343226, 454974, 501638, 514839, 752457, 1029678, 1504914, 3260647, 6521294, 9781941, 19563882]

約数ペア:

[(1, 19563882), (2, 9781941), (3, 6521294), (6, 3260647), (13, 1504914), (19, 1029678), (26, 752457), (38, 514839), (39, 501638), (43, 454974), (57, 343226), (78, 250819), (86, 227487), (114, 171613), (129, 151658), (247, 79206), (258, 75829), (307, 63726), (494, 39603), (559, 34998), (614, 31863), (741, 26402), (817, 23946), (921, 21242), (1118, 17499), (1482, 13201), (1634, 11973), (1677, 11666), (1842, 10621), (2451, 7982), (3354, 5833), (3991, 4902)]