19899054

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{863}}^1$

素因数の和:942

約数の個数: 64

約数和(自身を含む): 51425280

約数和(自身を除く): 31526226

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 61, 63, 122, 126, 183, 189, 366, 378, 427, 549, 854, 863, 1098, 1281, 1647, 1726, 2562, 2589, 3294, 3843, 5178, 6041, 7686, 7767, 11529, 12082, 15534, 18123, 23058, 23301, 36246, 46602, 52643, 54369, 105286, 108738, 157929, 163107, 315858, 326214, 368501, 473787, 737002, 947574, 1105503, 1421361, 2211006, 2842722, 3316509, 6633018, 9949527, 19899054]

約数ペア:

[(1, 19899054), (2, 9949527), (3, 6633018), (6, 3316509), (7, 2842722), (9, 2211006), (14, 1421361), (18, 1105503), (21, 947574), (27, 737002), (42, 473787), (54, 368501), (61, 326214), (63, 315858), (122, 163107), (126, 157929), (183, 108738), (189, 105286), (366, 54369), (378, 52643), (427, 46602), (549, 36246), (854, 23301), (863, 23058), (1098, 18123), (1281, 15534), (1647, 12082), (1726, 11529), (2562, 7767), (2589, 7686), (3294, 6041), (3843, 5178)]