19865296

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:392

約数の個数: 60

約数和(自身を含む): 43802752

約数和(自身を除く): 23937456

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 121, 124, 176, 242, 248, 331, 341, 484, 496, 662, 682, 968, 1324, 1364, 1936, 2648, 2728, 3641, 3751, 5296, 5456, 7282, 7502, 10261, 14564, 15004, 20522, 29128, 30008, 40051, 41044, 58256, 60016, 80102, 82088, 112871, 160204, 164176, 225742, 320408, 451484, 640816, 902968, 1241581, 1805936, 2483162, 4966324, 9932648, 19865296]

約数ペア:

[(1, 19865296), (2, 9932648), (4, 4966324), (8, 2483162), (11, 1805936), (16, 1241581), (22, 902968), (31, 640816), (44, 451484), (62, 320408), (88, 225742), (121, 164176), (124, 160204), (176, 112871), (242, 82088), (248, 80102), (331, 60016), (341, 58256), (484, 41044), (496, 40051), (662, 30008), (682, 29128), (968, 20522), (1324, 15004), (1364, 14564), (1936, 10261), (2648, 7502), (2728, 7282), (3641, 5456), (3751, 5296)]