17991004772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1\times {\mathrm{541}}^1$

素因数の和:1021

約数の個数: 96

約数和(自身を含む): 36229361280

約数和(自身を除く): 18238356508

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 97, 194, 247, 347, 388, 494, 541, 694, 988, 1082, 1261, 1388, 1843, 2164, 2522, 3686, 4511, 5044, 6593, 7033, 7372, 9022, 10279, 13186, 14066, 18044, 20558, 23959, 26372, 28132, 33659, 41116, 47918, 52477, 67318, 85709, 95836, 104954, 133627, 134636, 171418, 187727, 209908, 267254, 342836, 375454, 437567, 534508, 639521, 682201, 750908, 875134, 997063, 1279042, 1364402, 1750268, 1994126, 2440451, 2558084, 2728804, 3566813, 3988252, 4880902, 7133626, 8313773, 9761804, 12961819, 14267252, 16627546, 18209519, 25923638, 33255092, 36419038, 46368569, 51847276, 72838076, 92737138, 185474276, 236723747, 345980861, 473447494, 691961722, 946894988, 1383923444, 4497751193, 8995502386, 17991004772]

約数ペア:

[(1, 17991004772), (2, 8995502386), (4, 4497751193), (13, 1383923444), (19, 946894988), (26, 691961722), (38, 473447494), (52, 345980861), (76, 236723747), (97, 185474276), (194, 92737138), (247, 72838076), (347, 51847276), (388, 46368569), (494, 36419038), (541, 33255092), (694, 25923638), (988, 18209519), (1082, 16627546), (1261, 14267252), (1388, 12961819), (1843, 9761804), (2164, 8313773), (2522, 7133626), (3686, 4880902), (4511, 3988252), (5044, 3566813), (6593, 2728804), (7033, 2558084), (7372, 2440451), (9022, 1994126), (10279, 1750268), (13186, 1364402), (14066, 1279042), (18044, 997063), (20558, 875134), (23959, 750908), (26372, 682201), (28132, 639521), (33659, 534508), (41116, 437567), (47918, 375454), (52477, 342836), (67318, 267254), (85709, 209908), (95836, 187727), (104954, 171418), (133627, 134636)]