18984966812

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1\times {\mathrm{733}}^1$

素因数の和:1131

約数の個数: 96

約数和(自身を含む): 39775518720

約数和(自身を除く): 20790551908

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 167, 191, 203, 334, 382, 406, 668, 733, 764, 812, 1169, 1337, 1466, 2338, 2674, 2932, 4676, 4843, 5131, 5348, 5539, 9686, 10262, 11078, 19372, 20524, 21257, 22156, 31897, 33901, 38773, 42514, 63794, 67802, 77546, 85028, 122411, 127588, 135604, 140003, 148799, 155092, 223279, 244822, 280006, 297598, 446558, 489644, 560012, 595196, 856877, 893116, 925013, 980021, 1713754, 1850026, 1960042, 3427508, 3549919, 3700052, 3920084, 4060087, 6475091, 7099838, 8120174, 12950182, 14199676, 16240348, 23380501, 24849433, 25900364, 28420609, 46761002, 49698866, 56841218, 93522004, 99397732, 113682436, 163663507, 327327014, 654654028, 678034529, 1356069058, 2712138116, 4746241703, 9492483406, 18984966812]

約数ペア:

[(1, 18984966812), (2, 9492483406), (4, 4746241703), (7, 2712138116), (14, 1356069058), (28, 678034529), (29, 654654028), (58, 327327014), (116, 163663507), (167, 113682436), (191, 99397732), (203, 93522004), (334, 56841218), (382, 49698866), (406, 46761002), (668, 28420609), (733, 25900364), (764, 24849433), (812, 23380501), (1169, 16240348), (1337, 14199676), (1466, 12950182), (2338, 8120174), (2674, 7099838), (2932, 6475091), (4676, 4060087), (4843, 3920084), (5131, 3700052), (5348, 3549919), (5539, 3427508), (9686, 1960042), (10262, 1850026), (11078, 1713754), (19372, 980021), (20524, 925013), (21257, 893116), (22156, 856877), (31897, 595196), (33901, 560012), (38773, 489644), (42514, 446558), (63794, 297598), (67802, 280006), (77546, 244822), (85028, 223279), (122411, 155092), (127588, 148799), (135604, 140003)]