19318744

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{853}}^1$

素因数の和:1027

約数の個数: 32

約数和(自身を含む): 38430000

約数和(自身を除く): 19111256

約数列:

[1, 2, 4, 8, 19, 38, 76, 149, 152, 298, 596, 853, 1192, 1706, 2831, 3412, 5662, 6824, 11324, 16207, 22648, 32414, 64828, 127097, 129656, 254194, 508388, 1016776, 2414843, 4829686, 9659372, 19318744]

約数ペア:

[(1, 19318744), (2, 9659372), (4, 4829686), (8, 2414843), (19, 1016776), (38, 508388), (76, 254194), (149, 129656), (152, 127097), (298, 64828), (596, 32414), (853, 22648), (1192, 16207), (1706, 11324), (2831, 6824), (3412, 5662)]