18394850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:132

約数の個数: 72

約数和(自身を含む): 38829360

約数和(自身を除く): 20434510

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 67, 85, 95, 134, 170, 190, 289, 323, 335, 425, 475, 578, 646, 670, 850, 950, 1139, 1273, 1445, 1615, 1675, 2278, 2546, 2890, 3230, 3350, 5491, 5695, 6365, 7225, 8075, 10982, 11390, 12730, 14450, 16150, 19363, 21641, 27455, 28475, 31825, 38726, 43282, 54910, 56950, 63650, 96815, 108205, 137275, 193630, 216410, 274550, 367897, 484075, 541025, 735794, 968150, 1082050, 1839485, 3678970, 9197425, 18394850]

約数ペア:

[(1, 18394850), (2, 9197425), (5, 3678970), (10, 1839485), (17, 1082050), (19, 968150), (25, 735794), (34, 541025), (38, 484075), (50, 367897), (67, 274550), (85, 216410), (95, 193630), (134, 137275), (170, 108205), (190, 96815), (289, 63650), (323, 56950), (335, 54910), (425, 43282), (475, 38726), (578, 31825), (646, 28475), (670, 27455), (850, 21641), (950, 19363), (1139, 16150), (1273, 14450), (1445, 12730), (1615, 11390), (1675, 10982), (2278, 8075), (2546, 7225), (2890, 6365), (3230, 5695), (3350, 5491)]