19354330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 38217816

約数和(自身を除く): 18863486

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 181, 185, 289, 362, 370, 578, 629, 905, 1258, 1445, 1810, 2890, 3077, 3145, 6154, 6290, 6697, 10693, 13394, 15385, 21386, 30770, 33485, 52309, 53465, 66970, 104618, 106930, 113849, 227698, 261545, 523090, 569245, 1138490, 1935433, 3870866, 9677165, 19354330]

約数ペア:

[(1, 19354330), (2, 9677165), (5, 3870866), (10, 1935433), (17, 1138490), (34, 569245), (37, 523090), (74, 261545), (85, 227698), (170, 113849), (181, 106930), (185, 104618), (289, 66970), (362, 53465), (370, 52309), (578, 33485), (629, 30770), (905, 21386), (1258, 15385), (1445, 13394), (1810, 10693), (2890, 6697), (3077, 6290), (3145, 6154)]