19856176

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:793

約数の個数: 40

約数和(自身を含む): 40711680

約数和(自身を除く): 20855504

約数列:

[1, 2, 4, 8, 16, 23, 46, 79, 92, 158, 184, 316, 368, 632, 683, 1264, 1366, 1817, 2732, 3634, 5464, 7268, 10928, 14536, 15709, 29072, 31418, 53957, 62836, 107914, 125672, 215828, 251344, 431656, 863312, 1241011, 2482022, 4964044, 9928088, 19856176]

約数ペア:

[(1, 19856176), (2, 9928088), (4, 4964044), (8, 2482022), (16, 1241011), (23, 863312), (46, 431656), (79, 251344), (92, 215828), (158, 125672), (184, 107914), (316, 62836), (368, 53957), (632, 31418), (683, 29072), (1264, 15709), (1366, 14536), (1817, 10928), (2732, 7268), (3634, 5464)]