19457520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:303

約数の個数: 160

約数和(自身を含む): 67495680

約数和(自身を除く): 48038160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 251, 255, 272, 285, 304, 323, 340, 380, 408, 456, 502, 510, 570, 646, 680, 753, 760, 816, 912, 969, 1004, 1020, 1140, 1255, 1292, 1360, 1506, 1520, 1615, 1938, 2008, 2040, 2280, 2510, 2584, 3012, 3230, 3765, 3876, 4016, 4080, 4267, 4560, 4769, 4845, 5020, 5168, 6024, 6460, 7530, 7752, 8534, 9538, 9690, 10040, 12048, 12801, 12920, 14307, 15060, 15504, 17068, 19076, 19380, 20080, 21335, 23845, 25602, 25840, 28614, 30120, 34136, 38152, 38760, 42670, 47690, 51204, 57228, 60240, 64005, 68272, 71535, 76304, 77520, 81073, 85340, 95380, 102408, 114456, 128010, 143070, 162146, 170680, 190760, 204816, 228912, 243219, 256020, 286140, 324292, 341360, 381520, 405365, 486438, 512040, 572280, 648584, 810730, 972876, 1024080, 1144560, 1216095, 1297168, 1621460, 1945752, 2432190, 3242920, 3891504, 4864380, 6485840, 9728760, 19457520]

約数ペア:

[(1, 19457520), (2, 9728760), (3, 6485840), (4, 4864380), (5, 3891504), (6, 3242920), (8, 2432190), (10, 1945752), (12, 1621460), (15, 1297168), (16, 1216095), (17, 1144560), (19, 1024080), (20, 972876), (24, 810730), (30, 648584), (34, 572280), (38, 512040), (40, 486438), (48, 405365), (51, 381520), (57, 341360), (60, 324292), (68, 286140), (76, 256020), (80, 243219), (85, 228912), (95, 204816), (102, 190760), (114, 170680), (120, 162146), (136, 143070), (152, 128010), (170, 114456), (190, 102408), (204, 95380), (228, 85340), (240, 81073), (251, 77520), (255, 76304), (272, 71535), (285, 68272), (304, 64005), (323, 60240), (340, 57228), (380, 51204), (408, 47690), (456, 42670), (502, 38760), (510, 38152), (570, 34136), (646, 30120), (680, 28614), (753, 25840), (760, 25602), (816, 23845), (912, 21335), (969, 20080), (1004, 19380), (1020, 19076), (1140, 17068), (1255, 15504), (1292, 15060), (1360, 14307), (1506, 12920), (1520, 12801), (1615, 12048), (1938, 10040), (2008, 9690), (2040, 9538), (2280, 8534), (2510, 7752), (2584, 7530), (3012, 6460), (3230, 6024), (3765, 5168), (3876, 5020), (4016, 4845), (4080, 4769), (4267, 4560)]