19834605

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 40857600

約数和(自身を除く): 21022995

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 139, 151, 189, 315, 417, 453, 695, 755, 945, 973, 1057, 1251, 1359, 2085, 2265, 2919, 3171, 3753, 4077, 4865, 5285, 6255, 6795, 8757, 9513, 14595, 15855, 18765, 20385, 20989, 26271, 28539, 43785, 47565, 62967, 104945, 131355, 142695, 146923, 188901, 314835, 440769, 566703, 734615, 944505, 1322307, 2203845, 2833515, 3966921, 6611535, 19834605]

約数ペア:

[(1, 19834605), (3, 6611535), (5, 3966921), (7, 2833515), (9, 2203845), (15, 1322307), (21, 944505), (27, 734615), (35, 566703), (45, 440769), (63, 314835), (105, 188901), (135, 146923), (139, 142695), (151, 131355), (189, 104945), (315, 62967), (417, 47565), (453, 43785), (695, 28539), (755, 26271), (945, 20989), (973, 20385), (1057, 18765), (1251, 15855), (1359, 14595), (2085, 9513), (2265, 8757), (2919, 6795), (3171, 6255), (3753, 5285), (4077, 4865)]