19984648728

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1\times {\mathrm{5297}}^1$

素因数の和:5809

約数の個数: 128

約数和(自身を含む): 56394455040

約数和(自身を除く): 36409806312

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 44, 62, 66, 88, 93, 124, 132, 186, 248, 264, 341, 372, 461, 682, 744, 922, 1023, 1364, 1383, 1844, 2046, 2728, 2766, 3688, 4092, 5071, 5297, 5532, 8184, 10142, 10594, 11064, 14291, 15213, 15891, 20284, 21188, 28582, 30426, 31782, 40568, 42376, 42873, 57164, 58267, 60852, 63564, 85746, 114328, 116534, 121704, 127128, 157201, 164207, 171492, 174801, 233068, 314402, 328414, 342984, 349602, 466136, 471603, 492621, 628804, 656828, 699204, 943206, 985242, 1257608, 1313656, 1398408, 1806277, 1886412, 1970484, 2441917, 3612554, 3772824, 3940968, 4883834, 5418831, 7225108, 7325751, 9767668, 10837662, 14450216, 14651502, 19535336, 21675324, 26861087, 29303004, 43350648, 53722174, 58606008, 75699427, 80583261, 107444348, 151398854, 161166522, 214888696, 227098281, 302797708, 322333044, 454196562, 605595416, 644666088, 832693697, 908393124, 1665387394, 1816786248, 2498081091, 3330774788, 4996162182, 6661549576, 9992324364, 19984648728]

約数ペア:

[(1, 19984648728), (2, 9992324364), (3, 6661549576), (4, 4996162182), (6, 3330774788), (8, 2498081091), (11, 1816786248), (12, 1665387394), (22, 908393124), (24, 832693697), (31, 644666088), (33, 605595416), (44, 454196562), (62, 322333044), (66, 302797708), (88, 227098281), (93, 214888696), (124, 161166522), (132, 151398854), (186, 107444348), (248, 80583261), (264, 75699427), (341, 58606008), (372, 53722174), (461, 43350648), (682, 29303004), (744, 26861087), (922, 21675324), (1023, 19535336), (1364, 14651502), (1383, 14450216), (1844, 10837662), (2046, 9767668), (2728, 7325751), (2766, 7225108), (3688, 5418831), (4092, 4883834), (5071, 3940968), (5297, 3772824), (5532, 3612554), (8184, 2441917), (10142, 1970484), (10594, 1886412), (11064, 1806277), (14291, 1398408), (15213, 1313656), (15891, 1257608), (20284, 985242), (21188, 943206), (28582, 699204), (30426, 656828), (31782, 628804), (40568, 492621), (42376, 471603), (42873, 466136), (57164, 349602), (58267, 342984), (60852, 328414), (63564, 314402), (85746, 233068), (114328, 174801), (116534, 171492), (121704, 164207), (127128, 157201)]