17690140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3581}}^1$

素因数の和:3622

約数の個数: 48

約数和(自身を含む): 42124320

約数和(自身を除く): 24434180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 3581, 4940, 7162, 14324, 17905, 35810, 46553, 68039, 71620, 93106, 136078, 186212, 232765, 272156, 340195, 465530, 680390, 884507, 931060, 1360780, 1769014, 3538028, 4422535, 8845070, 17690140]

約数ペア:

[(1, 17690140), (2, 8845070), (4, 4422535), (5, 3538028), (10, 1769014), (13, 1360780), (19, 931060), (20, 884507), (26, 680390), (38, 465530), (52, 340195), (65, 272156), (76, 232765), (95, 186212), (130, 136078), (190, 93106), (247, 71620), (260, 68039), (380, 46553), (494, 35810), (988, 17905), (1235, 14324), (2470, 7162), (3581, 4940)]