18763722

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:835

約数の個数: 48

約数和(自身を含む): 43175808

約数和(自身を除く): 24412086

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 61, 69, 122, 138, 183, 207, 366, 414, 549, 743, 1098, 1403, 1486, 2229, 2806, 4209, 4458, 6687, 8418, 12627, 13374, 17089, 25254, 34178, 45323, 51267, 90646, 102534, 135969, 153801, 271938, 307602, 407907, 815814, 1042429, 2084858, 3127287, 6254574, 9381861, 18763722]

約数ペア:

[(1, 18763722), (2, 9381861), (3, 6254574), (6, 3127287), (9, 2084858), (18, 1042429), (23, 815814), (46, 407907), (61, 307602), (69, 271938), (122, 153801), (138, 135969), (183, 102534), (207, 90646), (366, 51267), (414, 45323), (549, 34178), (743, 25254), (1098, 17089), (1403, 13374), (1486, 12627), (2229, 8418), (2806, 6687), (4209, 4458)]