19800288

素因数分解:

$2^5\times 3^4\times {\mathrm{7639}}^1$

素因数の和:7661

約数の個数: 60

約数和(自身を含む): 58239720

約数和(自身を除く): 38439432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 648, 864, 1296, 2592, 7639, 15278, 22917, 30556, 45834, 61112, 68751, 91668, 122224, 137502, 183336, 206253, 244448, 275004, 366672, 412506, 550008, 618759, 733344, 825012, 1100016, 1237518, 1650024, 2200032, 2475036, 3300048, 4950072, 6600096, 9900144, 19800288]

約数ペア:

[(1, 19800288), (2, 9900144), (3, 6600096), (4, 4950072), (6, 3300048), (8, 2475036), (9, 2200032), (12, 1650024), (16, 1237518), (18, 1100016), (24, 825012), (27, 733344), (32, 618759), (36, 550008), (48, 412506), (54, 366672), (72, 275004), (81, 244448), (96, 206253), (108, 183336), (144, 137502), (162, 122224), (216, 91668), (288, 68751), (324, 61112), (432, 45834), (648, 30556), (864, 22917), (1296, 15278), (2592, 7639)]