19905073048

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{48953}}^1$

素因数の和:49156

約数の個数: 64

約数和(自身を含む): 43776624960

約数和(自身を除く): 23871551912

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 137, 212, 274, 371, 424, 548, 742, 959, 1096, 1484, 1918, 2968, 3836, 7261, 7672, 14522, 29044, 48953, 50827, 58088, 97906, 101654, 195812, 203308, 342671, 391624, 406616, 685342, 1370684, 2594509, 2741368, 5189018, 6706561, 10378036, 13413122, 18161563, 20756072, 26826244, 36323126, 46945927, 53652488, 72646252, 93891854, 145292504, 187783708, 355447733, 375567416, 710895466, 1421790932, 2488134131, 2843581864, 4976268262, 9952536524, 19905073048]

約数ペア:

[(1, 19905073048), (2, 9952536524), (4, 4976268262), (7, 2843581864), (8, 2488134131), (14, 1421790932), (28, 710895466), (53, 375567416), (56, 355447733), (106, 187783708), (137, 145292504), (212, 93891854), (274, 72646252), (371, 53652488), (424, 46945927), (548, 36323126), (742, 26826244), (959, 20756072), (1096, 18161563), (1484, 13413122), (1918, 10378036), (2968, 6706561), (3836, 5189018), (7261, 2741368), (7672, 2594509), (14522, 1370684), (29044, 685342), (48953, 406616), (50827, 391624), (58088, 342671), (97906, 203308), (101654, 195812)]