19040476

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{181}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 43805216

約数和(自身を除く): 24764740

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 181, 182, 221, 238, 289, 362, 364, 442, 476, 578, 724, 884, 1156, 1267, 1547, 2023, 2353, 2534, 3077, 3094, 3757, 4046, 4706, 5068, 6154, 6188, 7514, 8092, 9412, 12308, 15028, 16471, 21539, 26299, 32942, 40001, 43078, 52309, 52598, 65884, 80002, 86156, 104618, 105196, 160004, 209236, 280007, 366163, 560014, 680017, 732326, 1120028, 1360034, 1464652, 2720068, 4760119, 9520238, 19040476]

約数ペア:

[(1, 19040476), (2, 9520238), (4, 4760119), (7, 2720068), (13, 1464652), (14, 1360034), (17, 1120028), (26, 732326), (28, 680017), (34, 560014), (52, 366163), (68, 280007), (91, 209236), (119, 160004), (181, 105196), (182, 104618), (221, 86156), (238, 80002), (289, 65884), (362, 52598), (364, 52309), (442, 43078), (476, 40001), (578, 32942), (724, 26299), (884, 21539), (1156, 16471), (1267, 15028), (1547, 12308), (2023, 9412), (2353, 8092), (2534, 7514), (3077, 6188), (3094, 6154), (3757, 5068), (4046, 4706)]