18728190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16007}}^1$

素因数の和:16033

約数の個数: 48

約数和(自身を含む): 52442208

約数和(自身を除く): 33714018

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 16007, 32014, 48021, 80035, 96042, 144063, 160070, 208091, 240105, 288126, 416182, 480210, 624273, 720315, 1040455, 1248546, 1440630, 1872819, 2080910, 3121365, 3745638, 6242730, 9364095, 18728190]

約数ペア:

[(1, 18728190), (2, 9364095), (3, 6242730), (5, 3745638), (6, 3121365), (9, 2080910), (10, 1872819), (13, 1440630), (15, 1248546), (18, 1040455), (26, 720315), (30, 624273), (39, 480210), (45, 416182), (65, 288126), (78, 240105), (90, 208091), (117, 160070), (130, 144063), (195, 96042), (234, 80035), (390, 48021), (585, 32014), (1170, 16007)]