11816860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:307

約数の個数: 72

約数和(自身を含む): 28823760

約数和(自身を除く): 17006900

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 257, 380, 418, 484, 514, 605, 836, 1028, 1045, 1210, 1285, 2090, 2299, 2420, 2570, 2827, 4180, 4598, 4883, 5140, 5654, 9196, 9766, 11308, 11495, 14135, 19532, 22990, 24415, 28270, 31097, 45980, 48830, 53713, 56540, 62194, 97660, 107426, 124388, 155485, 214852, 268565, 310970, 537130, 590843, 621940, 1074260, 1181686, 2363372, 2954215, 5908430, 11816860]

約数ペア:

[(1, 11816860), (2, 5908430), (4, 2954215), (5, 2363372), (10, 1181686), (11, 1074260), (19, 621940), (20, 590843), (22, 537130), (38, 310970), (44, 268565), (55, 214852), (76, 155485), (95, 124388), (110, 107426), (121, 97660), (190, 62194), (209, 56540), (220, 53713), (242, 48830), (257, 45980), (380, 31097), (418, 28270), (484, 24415), (514, 22990), (605, 19532), (836, 14135), (1028, 11495), (1045, 11308), (1210, 9766), (1285, 9196), (2090, 5654), (2299, 5140), (2420, 4883), (2570, 4598), (2827, 4180)]