19409038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 13768562

約数列:

[1, 2, 11, 22, 31, 62, 149, 191, 298, 341, 382, 682, 1639, 2101, 3278, 4202, 4619, 5921, 9238, 11842, 28459, 50809, 56918, 65131, 101618, 130262, 313049, 626098, 882229, 1764458, 9704519, 19409038]

約数ペア:

[(1, 19409038), (2, 9704519), (11, 1764458), (22, 882229), (31, 626098), (62, 313049), (149, 130262), (191, 101618), (298, 65131), (341, 56918), (382, 50809), (682, 28459), (1639, 11842), (2101, 9238), (3278, 5921), (4202, 4619)]