19602695

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 29548800

約数和(自身を除く): 9946105

約数列:

[1, 5, 7, 29, 31, 35, 49, 89, 145, 155, 203, 217, 245, 445, 623, 899, 1015, 1085, 1421, 1519, 2581, 2759, 3115, 4361, 4495, 6293, 7105, 7595, 12905, 13795, 18067, 19313, 21805, 31465, 44051, 80011, 90335, 96565, 126469, 135191, 220255, 400055, 560077, 632345, 675955, 2800385, 3920539, 19602695]

約数ペア:

[(1, 19602695), (5, 3920539), (7, 2800385), (29, 675955), (31, 632345), (35, 560077), (49, 400055), (89, 220255), (145, 135191), (155, 126469), (203, 96565), (217, 90335), (245, 80011), (445, 44051), (623, 31465), (899, 21805), (1015, 19313), (1085, 18067), (1421, 13795), (1519, 12905), (2581, 7595), (2759, 7105), (3115, 6293), (4361, 4495)]