17946620

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 21123460

約数列:

[1, 2, 4, 5, 10, 20, 59, 67, 118, 134, 227, 236, 268, 295, 335, 454, 590, 670, 908, 1135, 1180, 1340, 2270, 3953, 4540, 7906, 13393, 15209, 15812, 19765, 26786, 30418, 39530, 53572, 60836, 66965, 76045, 79060, 133930, 152090, 267860, 304180, 897331, 1794662, 3589324, 4486655, 8973310, 17946620]

約数ペア:

[(1, 17946620), (2, 8973310), (4, 4486655), (5, 3589324), (10, 1794662), (20, 897331), (59, 304180), (67, 267860), (118, 152090), (134, 133930), (227, 79060), (236, 76045), (268, 66965), (295, 60836), (335, 53572), (454, 39530), (590, 30418), (670, 26786), (908, 19765), (1135, 15812), (1180, 15209), (1340, 13393), (2270, 7906), (3953, 4540)]