19045873

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 25067520

約数和(自身を除く): 6021647

約数列:

[1, 7, 11, 31, 77, 79, 101, 217, 341, 553, 707, 869, 1111, 2387, 2449, 3131, 6083, 7777, 7979, 17143, 21917, 26939, 34441, 55853, 87769, 188573, 241087, 247349, 614383, 1731443, 2720839, 19045873]

約数ペア:

[(1, 19045873), (7, 2720839), (11, 1731443), (31, 614383), (77, 247349), (79, 241087), (101, 188573), (217, 87769), (341, 55853), (553, 34441), (707, 26939), (869, 21917), (1111, 17143), (2387, 7979), (2449, 7777), (3131, 6083)]