19440874180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{18973}}^1$

素因数の和:19565

約数の個数: 96

約数和(自身を含む): 50339084544

約数和(自身を除く): 30898210364

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 563, 910, 1126, 1820, 2252, 2815, 3941, 5630, 7319, 7882, 11260, 14638, 15764, 18973, 19705, 29276, 36595, 37946, 39410, 51233, 73190, 75892, 78820, 94865, 102466, 132811, 146380, 189730, 204932, 246649, 256165, 265622, 379460, 493298, 512330, 531244, 664055, 986596, 1024660, 1233245, 1328110, 1726543, 2466490, 2656220, 3453086, 4932980, 6906172, 8632715, 10681799, 17265430, 21363598, 34530860, 42727196, 53408995, 74772593, 106817990, 138863387, 149545186, 213635980, 277726774, 299090372, 373862965, 555453548, 694316935, 747725930, 972043709, 1388633870, 1495451860, 1944087418, 2777267740, 3888174836, 4860218545, 9720437090, 19440874180]

約数ペア:

[(1, 19440874180), (2, 9720437090), (4, 4860218545), (5, 3888174836), (7, 2777267740), (10, 1944087418), (13, 1495451860), (14, 1388633870), (20, 972043709), (26, 747725930), (28, 694316935), (35, 555453548), (52, 373862965), (65, 299090372), (70, 277726774), (91, 213635980), (130, 149545186), (140, 138863387), (182, 106817990), (260, 74772593), (364, 53408995), (455, 42727196), (563, 34530860), (910, 21363598), (1126, 17265430), (1820, 10681799), (2252, 8632715), (2815, 6906172), (3941, 4932980), (5630, 3453086), (7319, 2656220), (7882, 2466490), (11260, 1726543), (14638, 1328110), (15764, 1233245), (18973, 1024660), (19705, 986596), (29276, 664055), (36595, 531244), (37946, 512330), (39410, 493298), (51233, 379460), (73190, 265622), (75892, 256165), (78820, 246649), (94865, 204932), (102466, 189730), (132811, 146380)]