18906828990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{2341}}^1\times {\mathrm{38459}}^1$

素因数の和:40817

約数の個数: 64

約数和(自身を含む): 51882232320

約数和(自身を除く): 32975403330

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 2341, 4682, 7023, 11705, 14046, 16387, 23410, 32774, 35115, 38459, 49161, 70230, 76918, 81935, 98322, 115377, 163870, 192295, 230754, 245805, 269213, 384590, 491610, 538426, 576885, 807639, 1153770, 1346065, 1615278, 2692130, 4038195, 8076390, 90032519, 180065038, 270097557, 450162595, 540195114, 630227633, 900325190, 1260455266, 1350487785, 1890682899, 2700975570, 3151138165, 3781365798, 6302276330, 9453414495, 18906828990]

約数ペア:

[(1, 18906828990), (2, 9453414495), (3, 6302276330), (5, 3781365798), (6, 3151138165), (7, 2700975570), (10, 1890682899), (14, 1350487785), (15, 1260455266), (21, 900325190), (30, 630227633), (35, 540195114), (42, 450162595), (70, 270097557), (105, 180065038), (210, 90032519), (2341, 8076390), (4682, 4038195), (7023, 2692130), (11705, 1615278), (14046, 1346065), (16387, 1153770), (23410, 807639), (32774, 576885), (35115, 538426), (38459, 491610), (49161, 384590), (70230, 269213), (76918, 245805), (81935, 230754), (98322, 192295), (115377, 163870)]