19072240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21673}}^1$

素因数の和:21697

約数の個数: 40

約数和(自身を含む): 48376368

約数和(自身を除く): 29304128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 21673, 43346, 86692, 108365, 173384, 216730, 238403, 346768, 433460, 476806, 866920, 953612, 1192015, 1733840, 1907224, 2384030, 3814448, 4768060, 9536120, 19072240]

約数ペア:

[(1, 19072240), (2, 9536120), (4, 4768060), (5, 3814448), (8, 2384030), (10, 1907224), (11, 1733840), (16, 1192015), (20, 953612), (22, 866920), (40, 476806), (44, 433460), (55, 346768), (80, 238403), (88, 216730), (110, 173384), (176, 108365), (220, 86692), (440, 43346), (880, 21673)]