19659995940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{183979}}^1$

素因数の和:184141

約数の個数: 96

約数和(自身を含む): 59715492480

約数和(自身を除く): 40055496540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 137, 156, 195, 260, 274, 390, 411, 548, 685, 780, 822, 1370, 1644, 1781, 2055, 2740, 3562, 4110, 5343, 7124, 8220, 8905, 10686, 17810, 21372, 26715, 35620, 53430, 106860, 183979, 367958, 551937, 735916, 919895, 1103874, 1839790, 2207748, 2391727, 2759685, 3679580, 4783454, 5519370, 7175181, 9566908, 11038740, 11958635, 14350362, 23917270, 25205123, 28700724, 35875905, 47834540, 50410246, 71751810, 75615369, 100820492, 126025615, 143503620, 151230738, 252051230, 302461476, 327666599, 378076845, 504102460, 655333198, 756153690, 982999797, 1310666396, 1512307380, 1638332995, 1965999594, 3276665990, 3931999188, 4914998985, 6553331980, 9829997970, 19659995940]

約数ペア:

[(1, 19659995940), (2, 9829997970), (3, 6553331980), (4, 4914998985), (5, 3931999188), (6, 3276665990), (10, 1965999594), (12, 1638332995), (13, 1512307380), (15, 1310666396), (20, 982999797), (26, 756153690), (30, 655333198), (39, 504102460), (52, 378076845), (60, 327666599), (65, 302461476), (78, 252051230), (130, 151230738), (137, 143503620), (156, 126025615), (195, 100820492), (260, 75615369), (274, 71751810), (390, 50410246), (411, 47834540), (548, 35875905), (685, 28700724), (780, 25205123), (822, 23917270), (1370, 14350362), (1644, 11958635), (1781, 11038740), (2055, 9566908), (2740, 7175181), (3562, 5519370), (4110, 4783454), (5343, 3679580), (7124, 2759685), (8220, 2391727), (8905, 2207748), (10686, 1839790), (17810, 1103874), (21372, 919895), (26715, 735916), (35620, 551937), (53430, 367958), (106860, 183979)]