18055268

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 41372352

約数和(自身を除く): 23317084

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 61, 62, 77, 122, 124, 154, 217, 244, 308, 341, 427, 434, 671, 682, 854, 868, 961, 1342, 1364, 1708, 1891, 1922, 2387, 2684, 3782, 3844, 4697, 4774, 6727, 7564, 9394, 9548, 10571, 13237, 13454, 18788, 20801, 21142, 26474, 26908, 41602, 42284, 52948, 58621, 73997, 83204, 117242, 145607, 147994, 234484, 291214, 295988, 410347, 582428, 644831, 820694, 1289662, 1641388, 2579324, 4513817, 9027634, 18055268]

約数ペア:

[(1, 18055268), (2, 9027634), (4, 4513817), (7, 2579324), (11, 1641388), (14, 1289662), (22, 820694), (28, 644831), (31, 582428), (44, 410347), (61, 295988), (62, 291214), (77, 234484), (122, 147994), (124, 145607), (154, 117242), (217, 83204), (244, 73997), (308, 58621), (341, 52948), (427, 42284), (434, 41602), (671, 26908), (682, 26474), (854, 21142), (868, 20801), (961, 18788), (1342, 13454), (1364, 13237), (1708, 10571), (1891, 9548), (1922, 9394), (2387, 7564), (2684, 6727), (3782, 4774), (3844, 4697)]