18013817558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{1607}}^1$

素因数の和:1997

約数の個数: 64

約数和(自身を含む): 31042787328

約数和(自身を除く): 13028969770

約数列:

[1, 2, 11, 22, 37, 47, 74, 94, 293, 407, 517, 586, 814, 1034, 1607, 1739, 3214, 3223, 3478, 6446, 10841, 13771, 17677, 19129, 21682, 27542, 35354, 38258, 59459, 75529, 118918, 119251, 151058, 151481, 238502, 302962, 470851, 509527, 654049, 830819, 941702, 1019054, 1308098, 1661638, 2794573, 5179361, 5589146, 5604797, 10358722, 11209594, 17421487, 22129997, 30740303, 34842974, 44259994, 61480606, 191636357, 243429967, 383272714, 486859934, 818809889, 1637619778, 9006908779, 18013817558]

約数ペア:

[(1, 18013817558), (2, 9006908779), (11, 1637619778), (22, 818809889), (37, 486859934), (47, 383272714), (74, 243429967), (94, 191636357), (293, 61480606), (407, 44259994), (517, 34842974), (586, 30740303), (814, 22129997), (1034, 17421487), (1607, 11209594), (1739, 10358722), (3214, 5604797), (3223, 5589146), (3478, 5179361), (6446, 2794573), (10841, 1661638), (13771, 1308098), (17677, 1019054), (19129, 941702), (21682, 830819), (27542, 654049), (35354, 509527), (38258, 470851), (59459, 302962), (75529, 238502), (118918, 151481), (119251, 151058)]