19315821

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{29671}}^1$

素因数の和:29712

約数の個数: 16

約数和(自身を含む): 30384128

約数和(自身を除く): 11068307

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 29671, 89013, 207697, 623091, 919801, 2759403, 6438607, 19315821]

約数ペア:

[(1, 19315821), (3, 6438607), (7, 2759403), (21, 919801), (31, 623091), (93, 207697), (217, 89013), (651, 29671)]