19364528

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:653

約数の個数: 40

約数和(自身を含む): 39613536

約数和(自身を除く): 20249008

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 101, 184, 202, 368, 404, 521, 808, 1042, 1616, 2084, 2323, 4168, 4646, 8336, 9292, 11983, 18584, 23966, 37168, 47932, 52621, 95864, 105242, 191728, 210484, 420968, 841936, 1210283, 2420566, 4841132, 9682264, 19364528]

約数ペア:

[(1, 19364528), (2, 9682264), (4, 4841132), (8, 2420566), (16, 1210283), (23, 841936), (46, 420968), (92, 210484), (101, 191728), (184, 105242), (202, 95864), (368, 52621), (404, 47932), (521, 37168), (808, 23966), (1042, 18584), (1616, 11983), (2084, 9292), (2323, 8336), (4168, 4646)]