18613120

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 45043200

約数和(自身を除く): 26430080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 229, 254, 320, 458, 508, 635, 640, 916, 1016, 1145, 1270, 1832, 2032, 2290, 2540, 3664, 4064, 4580, 5080, 7328, 8128, 9160, 10160, 14656, 16256, 18320, 20320, 29083, 29312, 36640, 40640, 58166, 73280, 81280, 116332, 145415, 146560, 232664, 290830, 465328, 581660, 930656, 1163320, 1861312, 2326640, 3722624, 4653280, 9306560, 18613120]

約数ペア:

[(1, 18613120), (2, 9306560), (4, 4653280), (5, 3722624), (8, 2326640), (10, 1861312), (16, 1163320), (20, 930656), (32, 581660), (40, 465328), (64, 290830), (80, 232664), (127, 146560), (128, 145415), (160, 116332), (229, 81280), (254, 73280), (320, 58166), (458, 40640), (508, 36640), (635, 29312), (640, 29083), (916, 20320), (1016, 18320), (1145, 16256), (1270, 14656), (1832, 10160), (2032, 9160), (2290, 8128), (2540, 7328), (3664, 5080), (4064, 4580)]