18906835458

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{2969}}^1$

素因数の和:3152

約数の個数: 128

約数和(自身を含む): 45911162880

約数和(自身を除く): 27004327422

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 67, 73, 93, 134, 146, 186, 201, 217, 219, 402, 434, 438, 469, 511, 651, 938, 1022, 1302, 1407, 1533, 2077, 2263, 2814, 2969, 3066, 4154, 4526, 4891, 5938, 6231, 6789, 8907, 9782, 12462, 13578, 14539, 14673, 15841, 17814, 20783, 29078, 29346, 31682, 34237, 41566, 43617, 47523, 62349, 68474, 87234, 92039, 95046, 102711, 124698, 151621, 184078, 198923, 205422, 216737, 276117, 303242, 397846, 433474, 454863, 552234, 596769, 644273, 650211, 909726, 1061347, 1193538, 1288546, 1300422, 1392461, 1517159, 1932819, 2122694, 2784922, 3034318, 3184041, 3865638, 4177383, 4551477, 6166613, 6368082, 6718847, 8354766, 9102954, 12333226, 13437694, 14521379, 18499839, 20156541, 29042758, 36999678, 40313082, 43166291, 43564137, 47031929, 86332582, 87128274, 94063858, 101649653, 129498873, 141095787, 203299306, 258997746, 282191574, 304948959, 450162749, 609897918, 900325498, 1350488247, 2700976494, 3151139243, 6302278486, 9453417729, 18906835458]

約数ペア:

[(1, 18906835458), (2, 9453417729), (3, 6302278486), (6, 3151139243), (7, 2700976494), (14, 1350488247), (21, 900325498), (31, 609897918), (42, 450162749), (62, 304948959), (67, 282191574), (73, 258997746), (93, 203299306), (134, 141095787), (146, 129498873), (186, 101649653), (201, 94063858), (217, 87128274), (219, 86332582), (402, 47031929), (434, 43564137), (438, 43166291), (469, 40313082), (511, 36999678), (651, 29042758), (938, 20156541), (1022, 18499839), (1302, 14521379), (1407, 13437694), (1533, 12333226), (2077, 9102954), (2263, 8354766), (2814, 6718847), (2969, 6368082), (3066, 6166613), (4154, 4551477), (4526, 4177383), (4891, 3865638), (5938, 3184041), (6231, 3034318), (6789, 2784922), (8907, 2122694), (9782, 1932819), (12462, 1517159), (13578, 1392461), (14539, 1300422), (14673, 1288546), (15841, 1193538), (17814, 1061347), (20783, 909726), (29078, 650211), (29346, 644273), (31682, 596769), (34237, 552234), (41566, 454863), (43617, 433474), (47523, 397846), (62349, 303242), (68474, 276117), (87234, 216737), (92039, 205422), (95046, 198923), (102711, 184078), (124698, 151621)]