18123530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 37739520

約数和(自身を除く): 19615990

約数列:

[1, 2, 5, 10, 17, 19, 31, 34, 38, 62, 85, 95, 155, 170, 181, 190, 310, 323, 362, 527, 589, 646, 905, 1054, 1178, 1615, 1810, 2635, 2945, 3077, 3230, 3439, 5270, 5611, 5890, 6154, 6878, 10013, 11222, 15385, 17195, 20026, 28055, 30770, 34390, 50065, 56110, 58463, 95387, 100130, 106609, 116926, 190774, 213218, 292315, 476935, 533045, 584630, 953870, 1066090, 1812353, 3624706, 9061765, 18123530]

約数ペア:

[(1, 18123530), (2, 9061765), (5, 3624706), (10, 1812353), (17, 1066090), (19, 953870), (31, 584630), (34, 533045), (38, 476935), (62, 292315), (85, 213218), (95, 190774), (155, 116926), (170, 106609), (181, 100130), (190, 95387), (310, 58463), (323, 56110), (362, 50065), (527, 34390), (589, 30770), (646, 28055), (905, 20026), (1054, 17195), (1178, 15385), (1615, 11222), (1810, 10013), (2635, 6878), (2945, 6154), (3077, 5890), (3230, 5611), (3439, 5270)]