19199892

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 46654272

約数和(自身を除く): 27454380

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 83, 111, 148, 166, 222, 249, 332, 444, 498, 521, 996, 1042, 1563, 2084, 3071, 3126, 6142, 6252, 9213, 12284, 18426, 19277, 36852, 38554, 43243, 57831, 77108, 86486, 115662, 129729, 172972, 231324, 259458, 518916, 1599991, 3199982, 4799973, 6399964, 9599946, 19199892]

約数ペア:

[(1, 19199892), (2, 9599946), (3, 6399964), (4, 4799973), (6, 3199982), (12, 1599991), (37, 518916), (74, 259458), (83, 231324), (111, 172972), (148, 129729), (166, 115662), (222, 86486), (249, 77108), (332, 57831), (444, 43243), (498, 38554), (521, 36852), (996, 19277), (1042, 18426), (1563, 12284), (2084, 9213), (3071, 6252), (3126, 6142)]