19144580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 50539776

約数和(自身を除く): 31395196

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 67, 70, 91, 130, 134, 140, 157, 182, 260, 268, 314, 335, 364, 455, 469, 628, 670, 785, 871, 910, 938, 1099, 1340, 1570, 1742, 1820, 1876, 2041, 2198, 2345, 3140, 3484, 4082, 4355, 4396, 4690, 5495, 6097, 8164, 8710, 9380, 10205, 10519, 10990, 12194, 14287, 17420, 20410, 21038, 21980, 24388, 28574, 30485, 40820, 42076, 52595, 57148, 60970, 71435, 73633, 105190, 121940, 136747, 142870, 147266, 210380, 273494, 285740, 294532, 368165, 546988, 683735, 736330, 957229, 1367470, 1472660, 1914458, 2734940, 3828916, 4786145, 9572290, 19144580]

約数ペア:

[(1, 19144580), (2, 9572290), (4, 4786145), (5, 3828916), (7, 2734940), (10, 1914458), (13, 1472660), (14, 1367470), (20, 957229), (26, 736330), (28, 683735), (35, 546988), (52, 368165), (65, 294532), (67, 285740), (70, 273494), (91, 210380), (130, 147266), (134, 142870), (140, 136747), (157, 121940), (182, 105190), (260, 73633), (268, 71435), (314, 60970), (335, 57148), (364, 52595), (455, 42076), (469, 40820), (628, 30485), (670, 28574), (785, 24388), (871, 21980), (910, 21038), (938, 20410), (1099, 17420), (1340, 14287), (1570, 12194), (1742, 10990), (1820, 10519), (1876, 10205), (2041, 9380), (2198, 8710), (2345, 8164), (3140, 6097), (3484, 5495), (4082, 4690), (4355, 4396)]