19619012

素因数分解:

$2^2\times 7^2\times {\mathrm{199}}^1\times {\mathrm{503}}^1$

素因数の和:720

約数の個数: 36

約数和(自身を含む): 40219200

約数和(自身を除く): 20600188

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 199, 398, 503, 796, 1006, 1393, 2012, 2786, 3521, 5572, 7042, 9751, 14084, 19502, 24647, 39004, 49294, 98588, 100097, 200194, 400388, 700679, 1401358, 2802716, 4904753, 9809506, 19619012]

約数ペア:

[(1, 19619012), (2, 9809506), (4, 4904753), (7, 2802716), (14, 1401358), (28, 700679), (49, 400388), (98, 200194), (196, 100097), (199, 98588), (398, 49294), (503, 39004), (796, 24647), (1006, 19502), (1393, 14084), (2012, 9751), (2786, 7042), (3521, 5572)]