19665344356

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{69877}}^1$

素因数の和:69953

約数の個数: 72

約数和(自身を含む): 43279638080

約数和(自身を除く): 23614293724

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 76, 92, 133, 161, 266, 322, 437, 529, 532, 644, 874, 1058, 1748, 2116, 3059, 3703, 6118, 7406, 10051, 12236, 14812, 20102, 40204, 69877, 70357, 139754, 140714, 279508, 281428, 489139, 978278, 1327663, 1607171, 1956556, 2655326, 3214342, 5310652, 6428684, 9293641, 11250197, 18587282, 22500394, 30536249, 36964933, 37174564, 45000788, 61072498, 73929866, 122144996, 147859732, 213753743, 258754531, 427507486, 517509062, 702333727, 855014972, 1035018124, 1404667454, 2809334908, 4916336089, 9832672178, 19665344356]

約数ペア:

[(1, 19665344356), (2, 9832672178), (4, 4916336089), (7, 2809334908), (14, 1404667454), (19, 1035018124), (23, 855014972), (28, 702333727), (38, 517509062), (46, 427507486), (76, 258754531), (92, 213753743), (133, 147859732), (161, 122144996), (266, 73929866), (322, 61072498), (437, 45000788), (529, 37174564), (532, 36964933), (644, 30536249), (874, 22500394), (1058, 18587282), (1748, 11250197), (2116, 9293641), (3059, 6428684), (3703, 5310652), (6118, 3214342), (7406, 2655326), (10051, 1956556), (12236, 1607171), (14812, 1327663), (20102, 978278), (40204, 489139), (69877, 281428), (70357, 279508), (139754, 140714)]