19267920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{3823}}^1$

素因数の和:3849

約数の個数: 120

約数和(自身を含む): 73971456

約数和(自身を除く): 54703536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 3823, 5040, 7646, 11469, 15292, 19115, 22938, 26761, 30584, 34407, 38230, 45876, 53522, 57345, 61168, 68814, 76460, 80283, 91752, 107044, 114690, 133805, 137628, 152920, 160566, 172035, 183504, 214088, 229380, 240849, 267610, 275256, 305840, 321132, 344070, 401415, 428176, 458760, 481698, 535220, 550512, 642264, 688140, 802830, 917520, 963396, 1070440, 1204245, 1284528, 1376280, 1605660, 1926792, 2140880, 2408490, 2752560, 3211320, 3853584, 4816980, 6422640, 9633960, 19267920]

約数ペア:

[(1, 19267920), (2, 9633960), (3, 6422640), (4, 4816980), (5, 3853584), (6, 3211320), (7, 2752560), (8, 2408490), (9, 2140880), (10, 1926792), (12, 1605660), (14, 1376280), (15, 1284528), (16, 1204245), (18, 1070440), (20, 963396), (21, 917520), (24, 802830), (28, 688140), (30, 642264), (35, 550512), (36, 535220), (40, 481698), (42, 458760), (45, 428176), (48, 401415), (56, 344070), (60, 321132), (63, 305840), (70, 275256), (72, 267610), (80, 240849), (84, 229380), (90, 214088), (105, 183504), (112, 172035), (120, 160566), (126, 152920), (140, 137628), (144, 133805), (168, 114690), (180, 107044), (210, 91752), (240, 80283), (252, 76460), (280, 68814), (315, 61168), (336, 57345), (360, 53522), (420, 45876), (504, 38230), (560, 34407), (630, 30584), (720, 26761), (840, 22938), (1008, 19115), (1260, 15292), (1680, 11469), (2520, 7646), (3823, 5040)]