19735553620

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{52147}}^1$

素因数の和:52432

約数の個数: 48

約数和(自身を含む): 42052147200

約数和(自身を除く): 22316593580

約数列:

[1, 2, 4, 5, 10, 20, 127, 149, 254, 298, 508, 596, 635, 745, 1270, 1490, 2540, 2980, 18923, 37846, 52147, 75692, 94615, 104294, 189230, 208588, 260735, 378460, 521470, 1042940, 6622669, 7769903, 13245338, 15539806, 26490676, 31079612, 33113345, 38849515, 66226690, 77699030, 132453380, 155398060, 986777681, 1973555362, 3947110724, 4933888405, 9867776810, 19735553620]

約数ペア:

[(1, 19735553620), (2, 9867776810), (4, 4933888405), (5, 3947110724), (10, 1973555362), (20, 986777681), (127, 155398060), (149, 132453380), (254, 77699030), (298, 66226690), (508, 38849515), (596, 33113345), (635, 31079612), (745, 26490676), (1270, 15539806), (1490, 13245338), (2540, 7769903), (2980, 6622669), (18923, 1042940), (37846, 521470), (52147, 378460), (75692, 260735), (94615, 208588), (104294, 189230)]