16520738336

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{445447}}^1$

素因数の和:445537

約数の個数: 48

約数和(自身を含む): 34798397760

約数和(自身を除く): 18277659424

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 76, 122, 152, 244, 304, 488, 608, 976, 1159, 1952, 2318, 4636, 9272, 18544, 37088, 445447, 890894, 1781788, 3563576, 7127152, 8463493, 14254304, 16926986, 27172267, 33853972, 54344534, 67707944, 108689068, 135415888, 217378136, 270831776, 434756272, 516273073, 869512544, 1032546146, 2065092292, 4130184584, 8260369168, 16520738336]

約数ペア:

[(1, 16520738336), (2, 8260369168), (4, 4130184584), (8, 2065092292), (16, 1032546146), (19, 869512544), (32, 516273073), (38, 434756272), (61, 270831776), (76, 217378136), (122, 135415888), (152, 108689068), (244, 67707944), (304, 54344534), (488, 33853972), (608, 27172267), (976, 16926986), (1159, 14254304), (1952, 8463493), (2318, 7127152), (4636, 3563576), (9272, 1781788), (18544, 890894), (37088, 445447)]