16921210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 34473600

約数和(自身を除く): 17552390

約数列:

[1, 2, 5, 10, 19, 29, 37, 38, 58, 74, 83, 95, 145, 166, 185, 190, 290, 370, 415, 551, 703, 830, 1073, 1102, 1406, 1577, 2146, 2407, 2755, 3071, 3154, 3515, 4814, 5365, 5510, 6142, 7030, 7885, 10730, 12035, 15355, 15770, 20387, 24070, 30710, 40774, 45733, 58349, 89059, 91466, 101935, 116698, 178118, 203870, 228665, 291745, 445295, 457330, 583490, 890590, 1692121, 3384242, 8460605, 16921210]

約数ペア:

[(1, 16921210), (2, 8460605), (5, 3384242), (10, 1692121), (19, 890590), (29, 583490), (37, 457330), (38, 445295), (58, 291745), (74, 228665), (83, 203870), (95, 178118), (145, 116698), (166, 101935), (185, 91466), (190, 89059), (290, 58349), (370, 45733), (415, 40774), (551, 30710), (703, 24070), (830, 20387), (1073, 15770), (1102, 15355), (1406, 12035), (1577, 10730), (2146, 7885), (2407, 7030), (2755, 6142), (3071, 5510), (3154, 5365), (3515, 4814)]