18112890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:811

約数の個数: 64

約数和(自身を含む): 46886400

約数和(自身を除く): 28773510

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 43, 57, 86, 95, 114, 129, 190, 215, 258, 285, 430, 570, 645, 739, 817, 1290, 1478, 1634, 2217, 2451, 3695, 4085, 4434, 4902, 7390, 8170, 11085, 12255, 14041, 22170, 24510, 28082, 31777, 42123, 63554, 70205, 84246, 95331, 140410, 158885, 190662, 210615, 317770, 421230, 476655, 603763, 953310, 1207526, 1811289, 3018815, 3622578, 6037630, 9056445, 18112890]

約数ペア:

[(1, 18112890), (2, 9056445), (3, 6037630), (5, 3622578), (6, 3018815), (10, 1811289), (15, 1207526), (19, 953310), (30, 603763), (38, 476655), (43, 421230), (57, 317770), (86, 210615), (95, 190662), (114, 158885), (129, 140410), (190, 95331), (215, 84246), (258, 70205), (285, 63554), (430, 42123), (570, 31777), (645, 28082), (739, 24510), (817, 22170), (1290, 14041), (1478, 12255), (1634, 11085), (2217, 8170), (2451, 7390), (3695, 4902), (4085, 4434)]