1938684380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{26711}}^1$

素因数の和:26930

約数の個数: 48

約数和(自身を含む): 4308111360

約数和(自身を除く): 2369426980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 764, 955, 1910, 3629, 3820, 7258, 14516, 18145, 26711, 36290, 53422, 72580, 106844, 133555, 267110, 507509, 534220, 1015018, 2030036, 2537545, 5075090, 5101801, 10150180, 10203602, 20407204, 25509005, 51018010, 96934219, 102036020, 193868438, 387736876, 484671095, 969342190, 1938684380]

約数ペア:

[(1, 1938684380), (2, 969342190), (4, 484671095), (5, 387736876), (10, 193868438), (19, 102036020), (20, 96934219), (38, 51018010), (76, 25509005), (95, 20407204), (190, 10203602), (191, 10150180), (380, 5101801), (382, 5075090), (764, 2537545), (955, 2030036), (1910, 1015018), (3629, 534220), (3820, 507509), (7258, 267110), (14516, 133555), (18145, 106844), (26711, 72580), (36290, 53422)]