1981403669502

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{20472007}}^1$

素因数の和:20472317

約数の個数: 48

約数和(自身を含む): 4534959212160

約数和(自身を除く): 2553555542658

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 283, 342, 566, 849, 1698, 2547, 5094, 5377, 10754, 16131, 32262, 48393, 96786, 20472007, 40944014, 61416021, 122832042, 184248063, 368496126, 388968133, 777936266, 1166904399, 2333808798, 3500713197, 5793577981, 7001426394, 11587155962, 17380733943, 34761467886, 52142201829, 104284403658, 110077981639, 220155963278, 330233944917, 660467889834, 990701834751, 1981403669502]

約数ペア:

[(1, 1981403669502), (2, 990701834751), (3, 660467889834), (6, 330233944917), (9, 220155963278), (18, 110077981639), (19, 104284403658), (38, 52142201829), (57, 34761467886), (114, 17380733943), (171, 11587155962), (283, 7001426394), (342, 5793577981), (566, 3500713197), (849, 2333808798), (1698, 1166904399), (2547, 777936266), (5094, 388968133), (5377, 368496126), (10754, 184248063), (16131, 122832042), (32262, 61416021), (48393, 40944014), (96786, 20472007)]