19428892

素因数分解:

$2^2\times 7^5\times {\mathrm{17}}^2$

素因数の和:73

約数の個数: 54

約数和(自身を含む): 42137592

約数和(自身を除く): 22708700

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 289, 343, 476, 578, 686, 833, 1156, 1372, 1666, 2023, 2401, 3332, 4046, 4802, 5831, 8092, 9604, 11662, 14161, 16807, 23324, 28322, 33614, 40817, 56644, 67228, 81634, 99127, 163268, 198254, 285719, 396508, 571438, 693889, 1142876, 1387778, 2775556, 4857223, 9714446, 19428892]

約数ペア:

[(1, 19428892), (2, 9714446), (4, 4857223), (7, 2775556), (14, 1387778), (17, 1142876), (28, 693889), (34, 571438), (49, 396508), (68, 285719), (98, 198254), (119, 163268), (196, 99127), (238, 81634), (289, 67228), (343, 56644), (476, 40817), (578, 33614), (686, 28322), (833, 23324), (1156, 16807), (1372, 14161), (1666, 11662), (2023, 9604), (2401, 8092), (3332, 5831), (4046, 4802)]