19393290

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:385

約数の個数: 128

約数和(自身を含む): 61194240

約数和(自身を除く): 41800950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 31, 35, 42, 45, 54, 62, 63, 70, 90, 93, 105, 126, 135, 155, 186, 189, 210, 217, 270, 279, 310, 315, 331, 378, 434, 465, 558, 630, 651, 662, 837, 930, 945, 993, 1085, 1302, 1395, 1655, 1674, 1890, 1953, 1986, 2170, 2317, 2790, 2979, 3255, 3310, 3906, 4185, 4634, 4965, 5859, 5958, 6510, 6951, 8370, 8937, 9765, 9930, 10261, 11585, 11718, 13902, 14895, 17874, 19530, 20522, 20853, 23170, 29295, 29790, 30783, 34755, 41706, 44685, 51305, 58590, 61566, 62559, 69510, 71827, 89370, 92349, 102610, 104265, 125118, 143654, 153915, 184698, 208530, 215481, 277047, 307830, 312795, 359135, 430962, 461745, 554094, 625590, 646443, 718270, 923490, 1077405, 1292886, 1385235, 1939329, 2154810, 2770470, 3232215, 3878658, 6464430, 9696645, 19393290]

約数ペア:

[(1, 19393290), (2, 9696645), (3, 6464430), (5, 3878658), (6, 3232215), (7, 2770470), (9, 2154810), (10, 1939329), (14, 1385235), (15, 1292886), (18, 1077405), (21, 923490), (27, 718270), (30, 646443), (31, 625590), (35, 554094), (42, 461745), (45, 430962), (54, 359135), (62, 312795), (63, 307830), (70, 277047), (90, 215481), (93, 208530), (105, 184698), (126, 153915), (135, 143654), (155, 125118), (186, 104265), (189, 102610), (210, 92349), (217, 89370), (270, 71827), (279, 69510), (310, 62559), (315, 61566), (331, 58590), (378, 51305), (434, 44685), (465, 41706), (558, 34755), (630, 30783), (651, 29790), (662, 29295), (837, 23170), (930, 20853), (945, 20522), (993, 19530), (1085, 17874), (1302, 14895), (1395, 13902), (1655, 11718), (1674, 11585), (1890, 10261), (1953, 9930), (1986, 9765), (2170, 8937), (2317, 8370), (2790, 6951), (2979, 6510), (3255, 5958), (3310, 5859), (3906, 4965), (4185, 4634)]