19500702

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 44815680

約数和(自身を除く): 25314978

約数列:

[1, 2, 3, 6, 13, 26, 29, 37, 39, 58, 74, 78, 87, 111, 174, 222, 233, 377, 466, 481, 699, 754, 962, 1073, 1131, 1398, 1443, 2146, 2262, 2886, 3029, 3219, 6058, 6438, 6757, 8621, 9087, 13514, 13949, 17242, 18174, 20271, 25863, 27898, 40542, 41847, 51726, 83694, 87841, 112073, 175682, 224146, 250009, 263523, 336219, 500018, 527046, 672438, 750027, 1500054, 3250117, 6500234, 9750351, 19500702]

約数ペア:

[(1, 19500702), (2, 9750351), (3, 6500234), (6, 3250117), (13, 1500054), (26, 750027), (29, 672438), (37, 527046), (39, 500018), (58, 336219), (74, 263523), (78, 250009), (87, 224146), (111, 175682), (174, 112073), (222, 87841), (233, 83694), (377, 51726), (466, 41847), (481, 40542), (699, 27898), (754, 25863), (962, 20271), (1073, 18174), (1131, 17242), (1398, 13949), (1443, 13514), (2146, 9087), (2262, 8621), (2886, 6757), (3029, 6438), (3219, 6058)]