19500688

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2789}}^1$

素因数の和:2839

約数の個数: 40

約数和(自身を含む): 41515200

約数和(自身を除く): 22014512

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 2789, 3496, 5578, 6992, 11156, 22312, 44624, 52991, 64147, 105982, 128294, 211964, 256588, 423928, 513176, 847856, 1026352, 1218793, 2437586, 4875172, 9750344, 19500688]

約数ペア:

[(1, 19500688), (2, 9750344), (4, 4875172), (8, 2437586), (16, 1218793), (19, 1026352), (23, 847856), (38, 513176), (46, 423928), (76, 256588), (92, 211964), (152, 128294), (184, 105982), (304, 64147), (368, 52991), (437, 44624), (874, 22312), (1748, 11156), (2789, 6992), (3496, 5578)]