18031470915

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1\times {\mathrm{2621}}^1$

素因数の和:2988

約数の個数: 64

約数和(自身を含む): 30809548800

約数和(自身を除く): 12778077885

約数列:

[1, 3, 5, 15, 19, 57, 95, 101, 239, 285, 303, 505, 717, 1195, 1515, 1919, 2621, 3585, 4541, 5757, 7863, 9595, 13105, 13623, 22705, 24139, 28785, 39315, 49799, 68115, 72417, 120695, 149397, 248995, 264721, 362085, 458641, 626419, 746985, 794163, 1323605, 1375923, 1879257, 2293205, 3132095, 3970815, 5029699, 6879615, 9396285, 11901961, 15089097, 25148495, 35705883, 59509805, 63268319, 75445485, 178529415, 189804957, 316341595, 949024785, 1202098061, 3606294183, 6010490305, 18031470915]

約数ペア:

[(1, 18031470915), (3, 6010490305), (5, 3606294183), (15, 1202098061), (19, 949024785), (57, 316341595), (95, 189804957), (101, 178529415), (239, 75445485), (285, 63268319), (303, 59509805), (505, 35705883), (717, 25148495), (1195, 15089097), (1515, 11901961), (1919, 9396285), (2621, 6879615), (3585, 5029699), (4541, 3970815), (5757, 3132095), (7863, 2293205), (9595, 1879257), (13105, 1375923), (13623, 1323605), (22705, 794163), (24139, 746985), (28785, 626419), (39315, 458641), (49799, 362085), (68115, 264721), (72417, 248995), (120695, 149397)]