18100665

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:284

約数の個数: 80

約数和(自身を含む): 37635840

約数和(自身を除く): 19535175

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 81, 85, 99, 135, 153, 165, 187, 239, 255, 297, 405, 459, 495, 561, 717, 765, 891, 935, 1195, 1377, 1485, 1683, 2151, 2295, 2629, 2805, 3585, 4063, 4455, 5049, 6453, 6885, 7887, 8415, 10755, 12189, 13145, 15147, 19359, 20315, 23661, 25245, 32265, 36567, 39435, 44693, 60945, 70983, 75735, 96795, 109701, 118305, 134079, 182835, 212949, 223465, 329103, 354915, 402237, 548505, 670395, 1064745, 1206711, 1645515, 2011185, 3620133, 6033555, 18100665]

約数ペア:

[(1, 18100665), (3, 6033555), (5, 3620133), (9, 2011185), (11, 1645515), (15, 1206711), (17, 1064745), (27, 670395), (33, 548505), (45, 402237), (51, 354915), (55, 329103), (81, 223465), (85, 212949), (99, 182835), (135, 134079), (153, 118305), (165, 109701), (187, 96795), (239, 75735), (255, 70983), (297, 60945), (405, 44693), (459, 39435), (495, 36567), (561, 32265), (717, 25245), (765, 23661), (891, 20315), (935, 19359), (1195, 15147), (1377, 13145), (1485, 12189), (1683, 10755), (2151, 8415), (2295, 7887), (2629, 6885), (2805, 6453), (3585, 5049), (4063, 4455)]