19600240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22273}}^1$

素因数の和:22297

約数の個数: 40

約数和(自身を含む): 49715568

約数和(自身を除く): 30115328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22273, 44546, 89092, 111365, 178184, 222730, 245003, 356368, 445460, 490006, 890920, 980012, 1225015, 1781840, 1960024, 2450030, 3920048, 4900060, 9800120, 19600240]

約数ペア:

[(1, 19600240), (2, 9800120), (4, 4900060), (5, 3920048), (8, 2450030), (10, 1960024), (11, 1781840), (16, 1225015), (20, 980012), (22, 890920), (40, 490006), (44, 445460), (55, 356368), (80, 245003), (88, 222730), (110, 178184), (176, 111365), (220, 89092), (440, 44546), (880, 22273)]