31519708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1019}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 65116800

約数和(自身を除く): 33597092

約数列:

[1, 2, 4, 11, 19, 22, 37, 38, 44, 74, 76, 148, 209, 407, 418, 703, 814, 836, 1019, 1406, 1628, 2038, 2812, 4076, 7733, 11209, 15466, 19361, 22418, 30932, 37703, 38722, 44836, 75406, 77444, 150812, 212971, 414733, 425942, 716357, 829466, 851884, 1432714, 1658932, 2865428, 7879927, 15759854, 31519708]

約数ペア:

[(1, 31519708), (2, 15759854), (4, 7879927), (11, 2865428), (19, 1658932), (22, 1432714), (37, 851884), (38, 829466), (44, 716357), (74, 425942), (76, 414733), (148, 212971), (209, 150812), (407, 77444), (418, 75406), (703, 44836), (814, 38722), (836, 37703), (1019, 30932), (1406, 22418), (1628, 19361), (2038, 15466), (2812, 11209), (4076, 7733)]