19485298

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 19221902

約数列:

[1, 2, 7, 14, 17, 19, 31, 34, 38, 62, 119, 133, 139, 217, 238, 266, 278, 323, 434, 527, 589, 646, 973, 1054, 1178, 1946, 2261, 2363, 2641, 3689, 4123, 4309, 4522, 4726, 5282, 7378, 8246, 8618, 10013, 16541, 18487, 20026, 30163, 33082, 36974, 44897, 60326, 70091, 73253, 81871, 89794, 140182, 146506, 163742, 314279, 512771, 573097, 628558, 1025542, 1146194, 1391807, 2783614, 9742649, 19485298]

約数ペア:

[(1, 19485298), (2, 9742649), (7, 2783614), (14, 1391807), (17, 1146194), (19, 1025542), (31, 628558), (34, 573097), (38, 512771), (62, 314279), (119, 163742), (133, 146506), (139, 140182), (217, 89794), (238, 81871), (266, 73253), (278, 70091), (323, 60326), (434, 44897), (527, 36974), (589, 33082), (646, 30163), (973, 20026), (1054, 18487), (1178, 16541), (1946, 10013), (2261, 8618), (2363, 8246), (2641, 7378), (3689, 5282), (4123, 4726), (4309, 4522)]