19648998

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 44234736

約数和(自身を除く): 24585738

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 163, 181, 222, 326, 333, 362, 489, 543, 666, 978, 1086, 1467, 1629, 2934, 3258, 6031, 6697, 12062, 13394, 18093, 20091, 29503, 36186, 40182, 54279, 59006, 60273, 88509, 108558, 120546, 177018, 265527, 531054, 1091611, 2183222, 3274833, 6549666, 9824499, 19648998]

約数ペア:

[(1, 19648998), (2, 9824499), (3, 6549666), (6, 3274833), (9, 2183222), (18, 1091611), (37, 531054), (74, 265527), (111, 177018), (163, 120546), (181, 108558), (222, 88509), (326, 60273), (333, 59006), (362, 54279), (489, 40182), (543, 36186), (666, 29503), (978, 20091), (1086, 18093), (1467, 13394), (1629, 12062), (2934, 6697), (3258, 6031)]