20180918164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{773}}^1$

素因数の和:1057

約数の個数: 96

約数和(自身を含む): 40051936512

約数和(自身を除く): 19871018348

約数列:

[1, 2, 4, 11, 22, 44, 61, 71, 122, 137, 142, 244, 274, 284, 548, 671, 773, 781, 1342, 1507, 1546, 1562, 2684, 3014, 3092, 3124, 4331, 6028, 8357, 8503, 8662, 9727, 16714, 17006, 17324, 19454, 33428, 34012, 38908, 47153, 47641, 54883, 91927, 94306, 95282, 105901, 106997, 109766, 183854, 188612, 190564, 211802, 213994, 219532, 367708, 423604, 427988, 518683, 593347, 603713, 1037366, 1164911, 1186694, 1207426, 2074732, 2329822, 2373388, 2414852, 3347863, 4659644, 6459961, 6526817, 6695726, 7518971, 12919922, 13053634, 13391452, 15037942, 25839844, 26107268, 30075884, 36826493, 71059571, 73652986, 82708681, 142119142, 147305972, 165417362, 284238284, 330834724, 458657231, 917314462, 1834628924, 5045229541, 10090459082, 20180918164]

約数ペア:

[(1, 20180918164), (2, 10090459082), (4, 5045229541), (11, 1834628924), (22, 917314462), (44, 458657231), (61, 330834724), (71, 284238284), (122, 165417362), (137, 147305972), (142, 142119142), (244, 82708681), (274, 73652986), (284, 71059571), (548, 36826493), (671, 30075884), (773, 26107268), (781, 25839844), (1342, 15037942), (1507, 13391452), (1546, 13053634), (1562, 12919922), (2684, 7518971), (3014, 6695726), (3092, 6526817), (3124, 6459961), (4331, 4659644), (6028, 3347863), (8357, 2414852), (8503, 2373388), (8662, 2329822), (9727, 2074732), (16714, 1207426), (17006, 1186694), (17324, 1164911), (19454, 1037366), (33428, 603713), (34012, 593347), (38908, 518683), (47153, 427988), (47641, 423604), (54883, 367708), (91927, 219532), (94306, 213994), (95282, 211802), (105901, 190564), (106997, 188612), (109766, 183854)]