19216356

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 46362624

約数和(自身を除く): 27146268

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 167, 172, 223, 258, 334, 446, 501, 516, 668, 669, 892, 1002, 1338, 2004, 2676, 7181, 9589, 14362, 19178, 21543, 28724, 28767, 37241, 38356, 43086, 57534, 74482, 86172, 111723, 115068, 148964, 223446, 446892, 1601363, 3202726, 4804089, 6405452, 9608178, 19216356]

約数ペア:

[(1, 19216356), (2, 9608178), (3, 6405452), (4, 4804089), (6, 3202726), (12, 1601363), (43, 446892), (86, 223446), (129, 148964), (167, 115068), (172, 111723), (223, 86172), (258, 74482), (334, 57534), (446, 43086), (501, 38356), (516, 37241), (668, 28767), (669, 28724), (892, 21543), (1002, 19178), (1338, 14362), (2004, 9589), (2676, 7181)]