19316565

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 35283456

約数和(自身を除く): 15966891

約数列:

[1, 3, 5, 9, 15, 31, 45, 61, 93, 155, 183, 227, 279, 305, 465, 549, 681, 915, 1135, 1395, 1891, 2043, 2745, 3405, 5673, 7037, 9455, 10215, 13847, 17019, 21111, 28365, 35185, 41541, 63333, 69235, 85095, 105555, 124623, 207705, 316665, 429257, 623115, 1287771, 2146285, 3863313, 6438855, 19316565]

約数ペア:

[(1, 19316565), (3, 6438855), (5, 3863313), (9, 2146285), (15, 1287771), (31, 623115), (45, 429257), (61, 316665), (93, 207705), (155, 124623), (183, 105555), (227, 85095), (279, 69235), (305, 63333), (465, 41541), (549, 35185), (681, 28365), (915, 21111), (1135, 17019), (1395, 13847), (1891, 10215), (2043, 9455), (2745, 7037), (3405, 5673)]