17697940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1583}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 40981248

約数和(自身を除く): 23283308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1583, 2236, 2795, 3166, 5590, 6332, 7915, 11180, 15830, 20579, 31660, 41158, 68069, 82316, 102895, 136138, 205790, 272276, 340345, 411580, 680690, 884897, 1361380, 1769794, 3539588, 4424485, 8848970, 17697940]

約数ペア:

[(1, 17697940), (2, 8848970), (4, 4424485), (5, 3539588), (10, 1769794), (13, 1361380), (20, 884897), (26, 680690), (43, 411580), (52, 340345), (65, 272276), (86, 205790), (130, 136138), (172, 102895), (215, 82316), (260, 68069), (430, 41158), (559, 31660), (860, 20579), (1118, 15830), (1583, 11180), (2236, 7915), (2795, 6332), (3166, 5590)]