19468240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22123}}^1$

素因数の和:22147

約数の個数: 40

約数和(自身を含む): 49380768

約数和(自身を除く): 29912528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22123, 44246, 88492, 110615, 176984, 221230, 243353, 353968, 442460, 486706, 884920, 973412, 1216765, 1769840, 1946824, 2433530, 3893648, 4867060, 9734120, 19468240]

約数ペア:

[(1, 19468240), (2, 9734120), (4, 4867060), (5, 3893648), (8, 2433530), (10, 1946824), (11, 1769840), (16, 1216765), (20, 973412), (22, 884920), (40, 486706), (44, 442460), (55, 353968), (80, 243353), (88, 221230), (110, 176984), (176, 110615), (220, 88492), (440, 44246), (880, 22123)]