19550240

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 49896000

約数和(自身を除く): 30345760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 59, 76, 80, 95, 109, 118, 152, 160, 190, 218, 236, 295, 304, 380, 436, 472, 545, 590, 608, 760, 872, 944, 1090, 1121, 1180, 1520, 1744, 1888, 2071, 2180, 2242, 2360, 3040, 3488, 4142, 4360, 4484, 4720, 5605, 6431, 8284, 8720, 8968, 9440, 10355, 11210, 12862, 16568, 17440, 17936, 20710, 22420, 25724, 32155, 33136, 35872, 41420, 44840, 51448, 64310, 66272, 82840, 89680, 102896, 122189, 128620, 165680, 179360, 205792, 244378, 257240, 331360, 488756, 514480, 610945, 977512, 1028960, 1221890, 1955024, 2443780, 3910048, 4887560, 9775120, 19550240]

約数ペア:

[(1, 19550240), (2, 9775120), (4, 4887560), (5, 3910048), (8, 2443780), (10, 1955024), (16, 1221890), (19, 1028960), (20, 977512), (32, 610945), (38, 514480), (40, 488756), (59, 331360), (76, 257240), (80, 244378), (95, 205792), (109, 179360), (118, 165680), (152, 128620), (160, 122189), (190, 102896), (218, 89680), (236, 82840), (295, 66272), (304, 64310), (380, 51448), (436, 44840), (472, 41420), (545, 35872), (590, 33136), (608, 32155), (760, 25724), (872, 22420), (944, 20710), (1090, 17936), (1121, 17440), (1180, 16568), (1520, 12862), (1744, 11210), (1888, 10355), (2071, 9440), (2180, 8968), (2242, 8720), (2360, 8284), (3040, 6431), (3488, 5605), (4142, 4720), (4360, 4484)]