19003496

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 40128000

約数和(自身を除く): 21124504

約数列:

[1, 2, 4, 8, 19, 31, 37, 38, 62, 74, 76, 109, 124, 148, 152, 218, 248, 296, 436, 589, 703, 872, 1147, 1178, 1406, 2071, 2294, 2356, 2812, 3379, 4033, 4142, 4588, 4712, 5624, 6758, 8066, 8284, 9176, 13516, 16132, 16568, 21793, 27032, 32264, 43586, 64201, 76627, 87172, 125023, 128402, 153254, 174344, 250046, 256804, 306508, 500092, 513608, 613016, 1000184, 2375437, 4750874, 9501748, 19003496]

約数ペア:

[(1, 19003496), (2, 9501748), (4, 4750874), (8, 2375437), (19, 1000184), (31, 613016), (37, 513608), (38, 500092), (62, 306508), (74, 256804), (76, 250046), (109, 174344), (124, 153254), (148, 128402), (152, 125023), (218, 87172), (248, 76627), (296, 64201), (436, 43586), (589, 32264), (703, 27032), (872, 21793), (1147, 16568), (1178, 16132), (1406, 13516), (2071, 9176), (2294, 8284), (2356, 8066), (2812, 6758), (3379, 5624), (4033, 4712), (4142, 4588)]