18969365

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 26044416

約数和(自身を除く): 7075051

約数列:

[1, 5, 17, 23, 31, 85, 115, 155, 313, 391, 527, 713, 1565, 1955, 2635, 3565, 5321, 7199, 9703, 12121, 26605, 35995, 48515, 60605, 122383, 164951, 223169, 611915, 824755, 1115845, 3793873, 18969365]

約数ペア:

[(1, 18969365), (5, 3793873), (17, 1115845), (23, 824755), (31, 611915), (85, 223169), (115, 164951), (155, 122383), (313, 60605), (391, 48515), (527, 35995), (713, 26605), (1565, 12121), (1955, 9703), (2635, 7199), (3565, 5321)]