19441310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 42318720

約数和(自身を除く): 22877410

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 61, 70, 122, 145, 157, 203, 290, 305, 314, 406, 427, 610, 785, 854, 1015, 1099, 1570, 1769, 2030, 2135, 2198, 3538, 4270, 4553, 5495, 8845, 9106, 9577, 10990, 12383, 17690, 19154, 22765, 24766, 31871, 45530, 47885, 61915, 63742, 67039, 95770, 123830, 134078, 159355, 277733, 318710, 335195, 555466, 670390, 1388665, 1944131, 2777330, 3888262, 9720655, 19441310]

約数ペア:

[(1, 19441310), (2, 9720655), (5, 3888262), (7, 2777330), (10, 1944131), (14, 1388665), (29, 670390), (35, 555466), (58, 335195), (61, 318710), (70, 277733), (122, 159355), (145, 134078), (157, 123830), (203, 95770), (290, 67039), (305, 63742), (314, 61915), (406, 47885), (427, 45530), (610, 31871), (785, 24766), (854, 22765), (1015, 19154), (1099, 17690), (1570, 12383), (1769, 10990), (2030, 9577), (2135, 9106), (2198, 8845), (3538, 5495), (4270, 4553)]