19123120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{547}}^1$

素因数の和:602

約数の個数: 80

約数和(自身を含む): 48925440

約数和(自身を除く): 29802320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 547, 760, 874, 920, 1094, 1520, 1748, 1840, 2185, 2188, 2735, 3496, 4370, 4376, 5470, 6992, 8740, 8752, 10393, 10940, 12581, 17480, 20786, 21880, 25162, 34960, 41572, 43760, 50324, 51965, 62905, 83144, 100648, 103930, 125810, 166288, 201296, 207860, 239039, 251620, 415720, 478078, 503240, 831440, 956156, 1006480, 1195195, 1912312, 2390390, 3824624, 4780780, 9561560, 19123120]

約数ペア:

[(1, 19123120), (2, 9561560), (4, 4780780), (5, 3824624), (8, 2390390), (10, 1912312), (16, 1195195), (19, 1006480), (20, 956156), (23, 831440), (38, 503240), (40, 478078), (46, 415720), (76, 251620), (80, 239039), (92, 207860), (95, 201296), (115, 166288), (152, 125810), (184, 103930), (190, 100648), (230, 83144), (304, 62905), (368, 51965), (380, 50324), (437, 43760), (460, 41572), (547, 34960), (760, 25162), (874, 21880), (920, 20786), (1094, 17480), (1520, 12581), (1748, 10940), (1840, 10393), (2185, 8752), (2188, 8740), (2735, 6992), (3496, 5470), (4370, 4376)]