18491046

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 44272128

約数和(自身を除く): 25781082

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 73, 74, 111, 146, 163, 219, 222, 259, 326, 438, 489, 511, 518, 777, 978, 1022, 1141, 1533, 1554, 2282, 2701, 3066, 3423, 5402, 6031, 6846, 8103, 11899, 12062, 16206, 18093, 18907, 23798, 35697, 36186, 37814, 42217, 56721, 71394, 83293, 84434, 113442, 126651, 166586, 249879, 253302, 440263, 499758, 880526, 1320789, 2641578, 3081841, 6163682, 9245523, 18491046]

約数ペア:

[(1, 18491046), (2, 9245523), (3, 6163682), (6, 3081841), (7, 2641578), (14, 1320789), (21, 880526), (37, 499758), (42, 440263), (73, 253302), (74, 249879), (111, 166586), (146, 126651), (163, 113442), (219, 84434), (222, 83293), (259, 71394), (326, 56721), (438, 42217), (489, 37814), (511, 36186), (518, 35697), (777, 23798), (978, 18907), (1022, 18093), (1141, 16206), (1533, 12062), (1554, 11899), (2282, 8103), (2701, 6846), (3066, 6031), (3423, 5402)]