17920349811

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{1051}}^1$

素因数の和:1377

約数の個数: 96

約数和(自身を含む): 32349757440

約数和(自身を除く): 14429407629

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 109, 117, 191, 273, 327, 573, 763, 819, 981, 1051, 1337, 1417, 1719, 2289, 2483, 3153, 4011, 4251, 6867, 7357, 7449, 9459, 9919, 12033, 12753, 13663, 17381, 20819, 22071, 22347, 29757, 40989, 52143, 62457, 66213, 89271, 95641, 114559, 122967, 145733, 156429, 187371, 200741, 270647, 286923, 343677, 437199, 602223, 801913, 811941, 860769, 1031031, 1311597, 1405187, 1489267, 1806669, 1894529, 2405739, 2435823, 2609633, 4215561, 4467801, 5683587, 7217217, 7828899, 10424869, 12646683, 13403403, 17050761, 18267431, 21880769, 23486697, 31274607, 54802293, 65642307, 93823821, 153165383, 164406879, 196926921, 284449997, 459496149, 853349991, 1378488447, 1991149979, 2560049973, 5973449937, 17920349811]

約数ペア:

[(1, 17920349811), (3, 5973449937), (7, 2560049973), (9, 1991149979), (13, 1378488447), (21, 853349991), (39, 459496149), (63, 284449997), (91, 196926921), (109, 164406879), (117, 153165383), (191, 93823821), (273, 65642307), (327, 54802293), (573, 31274607), (763, 23486697), (819, 21880769), (981, 18267431), (1051, 17050761), (1337, 13403403), (1417, 12646683), (1719, 10424869), (2289, 7828899), (2483, 7217217), (3153, 5683587), (4011, 4467801), (4251, 4215561), (6867, 2609633), (7357, 2435823), (7449, 2405739), (9459, 1894529), (9919, 1806669), (12033, 1489267), (12753, 1405187), (13663, 1311597), (17381, 1031031), (20819, 860769), (22071, 811941), (22347, 801913), (29757, 602223), (40989, 437199), (52143, 343677), (62457, 286923), (66213, 270647), (89271, 200741), (95641, 187371), (114559, 156429), (122967, 145733)]